diff --git a/build/test/cache/test_power.c b/build/test/cache/test_power.c
new file mode 100644
index 0000000..ffe71d5
--- /dev/null
+++ b/build/test/cache/test_power.c
@@ -0,0 +1,47 @@
+#include "src/funktion.h"
+#include "C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+
+
+void setUp(void)
+
+{
+
+}
+
+
+
+void tearDown(void)
+
+{
+
+}
+
+
+
+void test_power_NeedToImplement(void)
+
+{
+
+    double a=30;
+
+    double b= 3;
+
+    double c=5;
+
+    double d=2;
+
+    double result=power(a,b,c,d);
+
+    double ergebnis=225;
+
+    printf("Testergebniss %d", ergebnis);
+
+    UnityAssertFloatsWithin((UNITY_FLOAT)((UNITY_FLOAT)((result)) * (UNITY_FLOAT)(0.00001f)), (UNITY_FLOAT)((UNITY_FLOAT)((result))), (UNITY_FLOAT)((UNITY_FLOAT)((ergebnis))), ((
+
+   ((void *)0)
+
+   )), (UNITY_UINT)((UNITY_UINT)(22)));
+
+}
diff --git a/build/test/dependencies/test_power.d b/build/test/dependencies/test_power.d
new file mode 100644
index 0000000..72aa6cd
--- /dev/null
+++ b/build/test/dependencies/test_power.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_power.o: test/test_power.c \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h \
+ src/funktion.h
diff --git a/build/test/dependencies/test_power_runner.d b/build/test/dependencies/test_power_runner.d
new file mode 100644
index 0000000..31977ae
--- /dev/null
+++ b/build/test/dependencies/test_power_runner.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_power_runner.o: \
+ build/test/runners/test_power_runner.c \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h
diff --git a/build/test/out/c/funktion.o b/build/test/out/c/funktion.o
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diff --git a/build/test/out/c/test_power.o b/build/test/out/c/test_power.o
new file mode 100644
index 0000000..64acafd
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diff --git a/build/test/out/c/test_power_runner.o b/build/test/out/c/test_power_runner.o
new file mode 100644
index 0000000..35ca61a
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index 76bb67c..e89c90e 100644
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index ae9f79d..f421d70 100644
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diff --git a/build/test/out/test_work.out b/build/test/out/test_work.out
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diff --git a/build/test/preprocess/files/test_power.c b/build/test/preprocess/files/test_power.c
new file mode 100644
index 0000000..ffe71d5
--- /dev/null
+++ b/build/test/preprocess/files/test_power.c
@@ -0,0 +1,47 @@
+#include "src/funktion.h"
+#include "C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+
+
+void setUp(void)
+
+{
+
+}
+
+
+
+void tearDown(void)
+
+{
+
+}
+
+
+
+void test_power_NeedToImplement(void)
+
+{
+
+    double a=30;
+
+    double b= 3;
+
+    double c=5;
+
+    double d=2;
+
+    double result=power(a,b,c,d);
+
+    double ergebnis=225;
+
+    printf("Testergebniss %d", ergebnis);
+
+    UnityAssertFloatsWithin((UNITY_FLOAT)((UNITY_FLOAT)((result)) * (UNITY_FLOAT)(0.00001f)), (UNITY_FLOAT)((UNITY_FLOAT)((result))), (UNITY_FLOAT)((UNITY_FLOAT)((ergebnis))), ((
+
+   ((void *)0)
+
+   )), (UNITY_UINT)((UNITY_UINT)(22)));
+
+}
diff --git a/build/test/preprocess/includes/test_power.c b/build/test/preprocess/includes/test_power.c
new file mode 100644
index 0000000..376e2c1
--- /dev/null
+++ b/build/test/preprocess/includes/test_power.c
@@ -0,0 +1,3 @@
+---
+- C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h
+- src/funktion.h
diff --git a/build/test/results/test_Akkortrichtsatz.pass b/build/test/results/test_Akkortrichtsatz.pass
index 39e13b2..3998f88 100644
--- a/build/test/results/test_Akkortrichtsatz.pass
+++ b/build/test/results/test_Akkortrichtsatz.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 552.000000
-:time: 0.04116159991826862
+:time: 0.1107655999949202
diff --git a/build/test/results/test_Anlagenabnutzungsgrad.pass b/build/test/results/test_Anlagenabnutzungsgrad.pass
index a46b04e..10d40df 100644
--- a/build/test/results/test_Anlagenabnutzungsgrad.pass
+++ b/build/test/results/test_Anlagenabnutzungsgrad.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 60.000000
-:time: 0.048822399927303195
+:time: 0.04172670003026724
diff --git a/build/test/results/test_Anlagenintensitaet.pass b/build/test/results/test_Anlagenintensitaet.pass
index aab9340..6a008e4 100644
--- a/build/test/results/test_Anlagenintensitaet.pass
+++ b/build/test/results/test_Anlagenintensitaet.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 4878.048780
-:time: 0.047747000004164875
+:time: 0.04081500007305294
diff --git a/build/test/results/test_Anlagenproduktivitaet.pass b/build/test/results/test_Anlagenproduktivitaet.pass
index fa8136f..111bc63 100644
--- a/build/test/results/test_Anlagenproduktivitaet.pass
+++ b/build/test/results/test_Anlagenproduktivitaet.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 18.203304
-:time: 0.04950459999963641
+:time: 0.04829249996691942
diff --git a/build/test/results/test_Arbeitsproduktivitaet.pass b/build/test/results/test_Arbeitsproduktivitaet.pass
index c86f065..b7755a6 100644
--- a/build/test/results/test_Arbeitsproduktivitaet.pass
+++ b/build/test/results/test_Arbeitsproduktivitaet.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 60.000000
-:time: 0.044239999959245324
+:time: 0.04305840004235506
diff --git a/build/test/results/test_ByOne.pass b/build/test/results/test_ByOne.pass
index 1ad82fc..53c77c6 100644
--- a/build/test/results/test_ByOne.pass
+++ b/build/test/results/test_ByOne.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.03388849995099008
+:time: 0.035499899997375906
diff --git a/build/test/results/test_Cashflow_zu_Gesamtkapital.pass b/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
index c890225..2bc6182 100644
--- a/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
+++ b/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0.158038
-:time: 0.04191190004348755
+:time: 0.04288649989757687
diff --git a/build/test/results/test_Division_drei_Zahlen.pass b/build/test/results/test_Division_drei_Zahlen.pass
index 450c8d5..50b136d 100644
--- a/build/test/results/test_Division_drei_Zahlen.pass
+++ b/build/test/results/test_Division_drei_Zahlen.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0
-:time: 0.04117810004390776
+:time: 0.03912139998283237
diff --git a/build/test/results/test_Dynamische_Amortisationszeit.pass b/build/test/results/test_Dynamische_Amortisationszeit.pass
index 7e0ba4c..d70c037 100644
--- a/build/test/results/test_Dynamische_Amortisationszeit.pass
+++ b/build/test/results/test_Dynamische_Amortisationszeit.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 189.421906
-:time: 0.0416315000038594
+:time: 0.04215590003877878
diff --git a/build/test/results/test_Effektivverzinsung.pass b/build/test/results/test_Effektivverzinsung.pass
index 4858309..fd90fc8 100644
--- a/build/test/results/test_Effektivverzinsung.pass
+++ b/build/test/results/test_Effektivverzinsung.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 16.034390
-:time: 0.037339899921789765
+:time: 0.03837630001362413
diff --git a/build/test/results/test_Finanzierungsregeln.pass b/build/test/results/test_Finanzierungsregeln.pass
index 649f447..a11a6cb 100644
--- a/build/test/results/test_Finanzierungsregeln.pass
+++ b/build/test/results/test_Finanzierungsregeln.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0.051041
-:time: 0.04437539994250983
+:time: 0.04029100004117936
diff --git a/build/test/results/test_GewinnMaximum.pass b/build/test/results/test_GewinnMaximum.pass
index 48ffd62..0150a25 100644
--- a/build/test/results/test_GewinnMaximum.pass
+++ b/build/test/results/test_GewinnMaximum.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 251.000000
-:time: 0.03804800007492304
+:time: 0.05232430004980415
diff --git a/build/test/results/test_Kalkulatorische_Zinsen.pass b/build/test/results/test_Kalkulatorische_Zinsen.pass
index bcd9f2c..1b8841f 100644
--- a/build/test/results/test_Kalkulatorische_Zinsen.pass
+++ b/build/test/results/test_Kalkulatorische_Zinsen.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 1.440000
-:time: 0.043431099969893694
+:time: 0.043601199984550476
diff --git a/build/test/results/test_Kritische_Menge.pass b/build/test/results/test_Kritische_Menge.pass
index f384045..488bddf 100644
--- a/build/test/results/test_Kritische_Menge.pass
+++ b/build/test/results/test_Kritische_Menge.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss -12.096026
-:time: 0.039777399972081184
+:time: 0.03923860006034374
diff --git a/build/test/results/test_Stueckzeitakkort.pass b/build/test/results/test_Stueckzeitakkort.pass
index b48827e..c1378d3 100644
--- a/build/test/results/test_Stueckzeitakkort.pass
+++ b/build/test/results/test_Stueckzeitakkort.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - '96600.000000'
-:time: 0.037934200023300946
+:time: 0.038569699972867966
diff --git a/build/test/results/test_Vadd.pass b/build/test/results/test_Vadd.pass
index f7c6242..0482c84 100644
--- a/build/test/results/test_Vadd.pass
+++ b/build/test/results/test_Vadd.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.039332599961198866
+:time: 0.04052340006455779
diff --git a/build/test/results/test_Vaddx2.pass b/build/test/results/test_Vaddx2.pass
index 66e5304..16fdc5f 100644
--- a/build/test/results/test_Vaddx2.pass
+++ b/build/test/results/test_Vaddx2.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.04033340001478791
+:time: 0.05286990001332015
diff --git a/build/test/results/test_Vaddx3.pass b/build/test/results/test_Vaddx3.pass
index 8e4d236..85b8bf5 100644
--- a/build/test/results/test_Vaddx3.pass
+++ b/build/test/results/test_Vaddx3.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.041140499990433455
+:time: 0.038283900008536875
diff --git a/build/test/results/test_Vangle.pass b/build/test/results/test_Vangle.pass
index 78ff995..5f77c0f 100644
--- a/build/test/results/test_Vangle.pass
+++ b/build/test/results/test_Vangle.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0385723999934271
+:time: 0.06685730000026524
diff --git a/build/test/results/test_Vlength.pass b/build/test/results/test_Vlength.pass
index 8390ca8..7856ed3 100644
--- a/build/test/results/test_Vlength.pass
+++ b/build/test/results/test_Vlength.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.040139100048691034
+:time: 0.07591400004457682
diff --git a/build/test/results/test_Vmiddle.pass b/build/test/results/test_Vmiddle.pass
index bc71ee2..f6adc55 100644
--- a/build/test/results/test_Vmiddle.pass
+++ b/build/test/results/test_Vmiddle.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.04608709993772209
+:time: 0.041035400005057454
diff --git a/build/test/results/test_Vmiddle2.pass b/build/test/results/test_Vmiddle2.pass
index e1db8f5..00ea064 100644
--- a/build/test/results/test_Vmiddle2.pass
+++ b/build/test/results/test_Vmiddle2.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.04071169998496771
+:time: 0.05041520006489009
diff --git a/build/test/results/test_Vmiddle3.pass b/build/test/results/test_Vmiddle3.pass
index 7a8496a..b67ea09 100644
--- a/build/test/results/test_Vmiddle3.pass
+++ b/build/test/results/test_Vmiddle3.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.041832099901512265
+:time: 0.04921950004063547
diff --git a/build/test/results/test_Vmultiplier.pass b/build/test/results/test_Vmultiplier.pass
index 4dbde7b..c6104f2 100644
--- a/build/test/results/test_Vmultiplier.pass
+++ b/build/test/results/test_Vmultiplier.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.043401299975812435
+:time: 0.044108300004154444
diff --git a/build/test/results/test_Vmultiplier2.pass b/build/test/results/test_Vmultiplier2.pass
index fec4cec..1d246cd 100644
--- a/build/test/results/test_Vmultiplier2.pass
+++ b/build/test/results/test_Vmultiplier2.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.03764940006658435
+:time: 0.04565089999232441
diff --git a/build/test/results/test_Vmultiplier3.pass b/build/test/results/test_Vmultiplier3.pass
index 1d1d750..4f2e474 100644
--- a/build/test/results/test_Vmultiplier3.pass
+++ b/build/test/results/test_Vmultiplier3.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.037586100050248206
+:time: 0.0406470000743866
diff --git a/build/test/results/test_Vparallel.pass b/build/test/results/test_Vparallel.pass
index 1d5bafb..f4e713e 100644
--- a/build/test/results/test_Vparallel.pass
+++ b/build/test/results/test_Vparallel.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.04112650000024587
+:time: 0.03706050000619143
diff --git a/build/test/results/test_Vshift.pass b/build/test/results/test_Vshift.pass
index fa51bf1..82a5e26 100644
--- a/build/test/results/test_Vshift.pass
+++ b/build/test/results/test_Vshift.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.03791860002093017
+:time: 0.039633700042031705
diff --git a/build/test/results/test_Vskalort.pass b/build/test/results/test_Vskalort.pass
index f4021dd..f350ef0 100644
--- a/build/test/results/test_Vskalort.pass
+++ b/build/test/results/test_Vskalort.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0369838000042364
+:time: 0.03875229996629059
diff --git a/build/test/results/test_Vsubstract.pass b/build/test/results/test_Vsubstract.pass
index 7a26adf..d36be85 100644
--- a/build/test/results/test_Vsubstract.pass
+++ b/build/test/results/test_Vsubstract.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.037586500053294
+:time: 0.041724000009708107
diff --git a/build/test/results/test_Vsubstract2.pass b/build/test/results/test_Vsubstract2.pass
index 80be44c..6eda870 100644
--- a/build/test/results/test_Vsubstract2.pass
+++ b/build/test/results/test_Vsubstract2.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.042599800042808056
+:time: 0.038301499909721315
diff --git a/build/test/results/test_Vsubstract3.pass b/build/test/results/test_Vsubstract3.pass
index 8ef0dc7..4e77c97 100644
--- a/build/test/results/test_Vsubstract3.pass
+++ b/build/test/results/test_Vsubstract3.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.03913120005745441
+:time: 0.039547499967738986
diff --git a/build/test/results/test_Zeitlohn.pass b/build/test/results/test_Zeitlohn.pass
index 550fdd3..5a8e8f5 100644
--- a/build/test/results/test_Zeitlohn.pass
+++ b/build/test/results/test_Zeitlohn.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 3450.000000
-:time: 0.03692360001150519
+:time: 0.03836099989712238
diff --git a/build/test/results/test_angebotserfolg.pass b/build/test/results/test_angebotserfolg.pass
index 8f4dbbd..e01015a 100644
--- a/build/test/results/test_angebotserfolg.pass
+++ b/build/test/results/test_angebotserfolg.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 225.000000
-:time: 0.03916809998918325
+:time: 0.03824180003721267
diff --git a/build/test/results/test_binomial_coefficient.pass b/build/test/results/test_binomial_coefficient.pass
index e103dc8..d324f04 100644
--- a/build/test/results/test_binomial_coefficient.pass
+++ b/build/test/results/test_binomial_coefficient.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 1
-:time: 0.04105060000438243
+:time: 0.0375052000163123
diff --git a/build/test/results/test_boolesche_nicht.pass b/build/test/results/test_boolesche_nicht.pass
index b3d9879..29b020a 100644
--- a/build/test/results/test_boolesche_nicht.pass
+++ b/build/test/results/test_boolesche_nicht.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.037322600022889674
+:time: 0.039500299957580864
diff --git a/build/test/results/test_boolesche_oder.pass b/build/test/results/test_boolesche_oder.pass
index a0f52af..206a2e5 100644
--- a/build/test/results/test_boolesche_oder.pass
+++ b/build/test/results/test_boolesche_oder.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.038254400016739964
+:time: 0.03670549998059869
diff --git a/build/test/results/test_boolesche_und.pass b/build/test/results/test_boolesche_und.pass
index 08865d0..922c4f3 100644
--- a/build/test/results/test_boolesche_und.pass
+++ b/build/test/results/test_boolesche_und.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.039039199938997626
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diff --git a/build/test/results/test_dezimal_binar_linksverschiebung.pass b/build/test/results/test_dezimal_binar_linksverschiebung.pass
index e0b7afc..1e994a5 100644
--- a/build/test/results/test_dezimal_binar_linksverschiebung.pass
+++ b/build/test/results/test_dezimal_binar_linksverschiebung.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 111110
-:time: 0.042500699986703694
+:time: 0.04154290002770722
diff --git a/build/test/results/test_dezimal_binar_rechtsverschiebung.pass b/build/test/results/test_dezimal_binar_rechtsverschiebung.pass
index 2719ac7..88718b0 100644
--- a/build/test/results/test_dezimal_binar_rechtsverschiebung.pass
+++ b/build/test/results/test_dezimal_binar_rechtsverschiebung.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 1111
-:time: 0.04236830002628267
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diff --git a/build/test/results/test_dezimal_to_bin.pass b/build/test/results/test_dezimal_to_bin.pass
index 3c70f99..9a852f3 100644
--- a/build/test/results/test_dezimal_to_bin.pass
+++ b/build/test/results/test_dezimal_to_bin.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 11111
-:time: 0.03986559994518757
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diff --git a/build/test/results/test_dreieckFlaeche.pass b/build/test/results/test_dreieckFlaeche.pass
index 816a887..6160a7f 100644
--- a/build/test/results/test_dreieckFlaeche.pass
+++ b/build/test/results/test_dreieckFlaeche.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.04216459998860955
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diff --git a/build/test/results/test_dreieckUmfang.pass b/build/test/results/test_dreieckUmfang.pass
index 96e9453..dceaed8 100644
--- a/build/test/results/test_dreieckUmfang.pass
+++ b/build/test/results/test_dreieckUmfang.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.04026989999692887
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diff --git a/build/test/results/test_eigenkapital_Rentabilitaeten.pass b/build/test/results/test_eigenkapital_Rentabilitaeten.pass
index a268dfc..6883586 100644
--- a/build/test/results/test_eigenkapital_Rentabilitaeten.pass
+++ b/build/test/results/test_eigenkapital_Rentabilitaeten.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 62.500000
-:time: 0.040249899961054325
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diff --git a/build/test/results/test_erloesfunktion.pass b/build/test/results/test_erloesfunktion.pass
index 6240da7..b22a102 100644
--- a/build/test/results/test_erloesfunktion.pass
+++ b/build/test/results/test_erloesfunktion.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 4000.000000
-:time: 0.03880799992475659
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diff --git a/build/test/results/test_force.pass b/build/test/results/test_force.pass
index c23b660..07f8e7e 100644
--- a/build/test/results/test_force.pass
+++ b/build/test/results/test_force.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0
-:time: 0.0376806000713259
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diff --git a/build/test/results/test_gesamtkapital_Rentabilitaeten.pass b/build/test/results/test_gesamtkapital_Rentabilitaeten.pass
index f61709c..4edc624 100644
--- a/build/test/results/test_gesamtkapital_Rentabilitaeten.pass
+++ b/build/test/results/test_gesamtkapital_Rentabilitaeten.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 27.136929
-:time: 0.041661800001747906
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diff --git a/build/test/results/test_grenzGewinn.pass b/build/test/results/test_grenzGewinn.pass
index ba6302c..19b25f4 100644
--- a/build/test/results/test_grenzGewinn.pass
+++ b/build/test/results/test_grenzGewinn.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 1141.000000
-:time: 0.03786499996203929
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diff --git a/build/test/results/test_grundwert.pass b/build/test/results/test_grundwert.pass
index 5cc7d23..d80c646 100644
--- a/build/test/results/test_grundwert.pass
+++ b/build/test/results/test_grundwert.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.03561010002158582
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diff --git a/build/test/results/test_kreisFlaeche.pass b/build/test/results/test_kreisFlaeche.pass
index cfef098..61dfac8 100644
--- a/build/test/results/test_kreisFlaeche.pass
+++ b/build/test/results/test_kreisFlaeche.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.036645199987106025
+:time: 0.03909179999027401
diff --git a/build/test/results/test_kreisUmfang.pass b/build/test/results/test_kreisUmfang.pass
index ab6f037..d42e899 100644
--- a/build/test/results/test_kreisUmfang.pass
+++ b/build/test/results/test_kreisUmfang.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.03835279995109886
+:time: 0.039109100005589426
diff --git a/build/test/results/test_marktanteil.pass b/build/test/results/test_marktanteil.pass
index bb696e3..ff16692 100644
--- a/build/test/results/test_marktanteil.pass
+++ b/build/test/results/test_marktanteil.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 21.739130
-:time: 0.038657099939882755
+:time: 0.04444349999539554
diff --git a/build/test/results/test_multiplikation_2Zahlen.pass b/build/test/results/test_multiplikation_2Zahlen.pass
index 172a436..5a4a8f7 100644
--- a/build/test/results/test_multiplikation_2Zahlen.pass
+++ b/build/test/results/test_multiplikation_2Zahlen.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0
-:time: 0.04041639994829893
+:time: 0.044986700057052076
diff --git a/build/test/results/test_multiplikation_3Zahlen.pass b/build/test/results/test_multiplikation_3Zahlen.pass
index 7885897..acb1c5a 100644
--- a/build/test/results/test_multiplikation_3Zahlen.pass
+++ b/build/test/results/test_multiplikation_3Zahlen.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0
-:time: 0.041443999973125756
+:time: 0.04243939998559654
diff --git a/build/test/results/test_normaleDivision.pass b/build/test/results/test_normaleDivision.pass
index fc7e8d5..e99e3c6 100644
--- a/build/test/results/test_normaleDivision.pass
+++ b/build/test/results/test_normaleDivision.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0
-:time: 0.04025540000293404
+:time: 0.0382607999490574
diff --git a/build/test/results/test_position.pass b/build/test/results/test_position.pass
index 50b49e7..8224101 100644
--- a/build/test/results/test_position.pass
+++ b/build/test/results/test_position.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0
-:time: 0.03794349997770041
+:time: 0.03781690006144345
diff --git a/build/test/results/test_power.pass b/build/test/results/test_power.pass
new file mode 100644
index 0000000..97b5f69
--- /dev/null
+++ b/build/test/results/test_power.pass
@@ -0,0 +1,19 @@
+---
+:source:
+  :path: test
+  :file: test_power.c
+:successes:
+- :test: test_power_NeedToImplement
+  :line: 13
+  :message: ''
+  :unity_test_time: 0
+:failures: []
+:ignores: []
+:counts:
+  :total: 1
+  :passed: 1
+  :failed: 0
+  :ignored: 0
+:stdout:
+- 225.000000Testergebniss 0
+:time: 0.042164099984802306
diff --git a/build/test/results/test_probability_from_tree.pass b/build/test/results/test_probability_from_tree.pass
index bb33172..07a7278 100644
--- a/build/test/results/test_probability_from_tree.pass
+++ b/build/test/results/test_probability_from_tree.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.03991089994087815
+:time: 0.04214140004478395
diff --git a/build/test/results/test_prozentsatz.pass b/build/test/results/test_prozentsatz.pass
index 9967fcc..8a74b7c 100644
--- a/build/test/results/test_prozentsatz.pass
+++ b/build/test/results/test_prozentsatz.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.04164820001460612
+:time: 0.03936450008768588
diff --git a/build/test/results/test_prozentwert.pass b/build/test/results/test_prozentwert.pass
index 1bf685f..8ef824a 100644
--- a/build/test/results/test_prozentwert.pass
+++ b/build/test/results/test_prozentwert.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.03844949998892844
+:time: 0.03843959991354495
diff --git a/build/test/results/test_substraction_2Zahlen.pass b/build/test/results/test_substraction_2Zahlen.pass
index 0712f3f..a20890f 100644
--- a/build/test/results/test_substraction_2Zahlen.pass
+++ b/build/test/results/test_substraction_2Zahlen.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0
-:time: 0.041449799900874496
+:time: 0.03915409999899566
diff --git a/build/test/results/test_substraction_3Zahlen.pass b/build/test/results/test_substraction_3Zahlen.pass
index 742f0db..d981f62 100644
--- a/build/test/results/test_substraction_3Zahlen.pass
+++ b/build/test/results/test_substraction_3Zahlen.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0
-:time: 0.0386886999476701
+:time: 0.04126730002462864
diff --git a/build/test/results/test_trapezFlaeche.pass b/build/test/results/test_trapezFlaeche.pass
index cb6c44a..f08142a 100644
--- a/build/test/results/test_trapezFlaeche.pass
+++ b/build/test/results/test_trapezFlaeche.pass
@@ -17,4 +17,4 @@
 :stdout:
 - 'Flaeche vom Trapez beträgt: 21.000000'
 - Testergebniss 21.000000
-:time: 0.03912279999349266
+:time: 0.03749210003297776
diff --git a/build/test/results/test_trapezUmfang.pass b/build/test/results/test_trapezUmfang.pass
index ddd579d..830dfc7 100644
--- a/build/test/results/test_trapezUmfang.pass
+++ b/build/test/results/test_trapezUmfang.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.03978879994247109
+:time: 0.03917829995043576
diff --git a/build/test/results/test_vPunkt.pass b/build/test/results/test_vPunkt.pass
index 95dbdf7..345a75d 100644
--- a/build/test/results/test_vPunkt.pass
+++ b/build/test/results/test_vPunkt.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.03807570005301386
+:time: 0.03914989996701479
diff --git a/build/test/results/test_velocity.pass b/build/test/results/test_velocity.pass
index 39ae3f1..58b97b0 100644
--- a/build/test/results/test_velocity.pass
+++ b/build/test/results/test_velocity.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0
-:time: 0.037987700081430376
+:time: 0.03641059994697571
diff --git a/build/test/results/test_viereckFleache.pass b/build/test/results/test_viereckFleache.pass
index 77fae03..92e350a 100644
--- a/build/test/results/test_viereckFleache.pass
+++ b/build/test/results/test_viereckFleache.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.036988999927416444
+:time: 0.04141079995315522
diff --git a/build/test/results/test_viereckUmfang.pass b/build/test/results/test_viereckUmfang.pass
index 3d76323..5558184 100644
--- a/build/test/results/test_viereckUmfang.pass
+++ b/build/test/results/test_viereckUmfang.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.03921850002370775
+:time: 0.041534800082445145
diff --git a/build/test/results/test_work.pass b/build/test/results/test_work.pass
index d9a9521..8be0ca2 100644
--- a/build/test/results/test_work.pass
+++ b/build/test/results/test_work.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0
-:time: 0.03840159997344017
+:time: 0.03774409997276962
diff --git a/build/test/runners/test_power_runner.c b/build/test/runners/test_power_runner.c
new file mode 100644
index 0000000..c198bda
--- /dev/null
+++ b/build/test/runners/test_power_runner.c
@@ -0,0 +1,81 @@
+/* AUTOGENERATED FILE. DO NOT EDIT. */
+
+/*=======Automagically Detected Files To Include=====*/
+#include "unity.h"
+
+int GlobalExpectCount;
+int GlobalVerifyOrder;
+char* GlobalOrderError;
+
+/*=======External Functions This Runner Calls=====*/
+extern void setUp(void);
+extern void tearDown(void);
+extern void test_power_NeedToImplement(void);
+
+
+/*=======Mock Management=====*/
+static void CMock_Init(void)
+{
+  GlobalExpectCount = 0;
+  GlobalVerifyOrder = 0;
+  GlobalOrderError = NULL;
+}
+static void CMock_Verify(void)
+{
+}
+static void CMock_Destroy(void)
+{
+}
+
+/*=======Test Reset Options=====*/
+void resetTest(void);
+void resetTest(void)
+{
+  tearDown();
+  CMock_Verify();
+  CMock_Destroy();
+  CMock_Init();
+  setUp();
+}
+void verifyTest(void);
+void verifyTest(void)
+{
+  CMock_Verify();
+}
+
+/*=======Test Runner Used To Run Each Test=====*/
+static void run_test(UnityTestFunction func, const char* name, UNITY_LINE_TYPE line_num)
+{
+    Unity.CurrentTestName = name;
+    Unity.CurrentTestLineNumber = line_num;
+#ifdef UNITY_USE_COMMAND_LINE_ARGS
+    if (!UnityTestMatches())
+        return;
+#endif
+    Unity.NumberOfTests++;
+    UNITY_CLR_DETAILS();
+    UNITY_EXEC_TIME_START();
+    CMock_Init();
+    if (TEST_PROTECT())
+    {
+        setUp();
+        func();
+    }
+    if (TEST_PROTECT())
+    {
+        tearDown();
+        CMock_Verify();
+    }
+    CMock_Destroy();
+    UNITY_EXEC_TIME_STOP();
+    UnityConcludeTest();
+}
+
+/*=======MAIN=====*/
+int main(void)
+{
+  UnityBegin("test_power.c");
+  run_test(test_power_NeedToImplement, "test_power_NeedToImplement", 13);
+
+  return UnityEnd();
+}
diff --git a/test/test_power.c b/test/test_power.c
new file mode 100644
index 0000000..19d2c2a
--- /dev/null
+++ b/test/test_power.c
@@ -0,0 +1,25 @@
+
+#include "unity.h"
+#include "funktion.h"
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_power_NeedToImplement(void)
+{
+    double a=30;
+    double b= 3;
+    double c=5;
+    double d=2;
+    double result=power(a,b,c,d);
+    double ergebnis=225;
+    printf("Testergebniss %d", ergebnis);
+    TEST_ASSERT_EQUAL_FLOAT(result, ergebnis);
+}
+
+