diff --git a/build/test/out/c/funktion.o b/build/test/out/c/funktion.o
index 0a80e40..d707901 100644
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diff --git a/build/test/out/test_Akkortrichtsatz.out b/build/test/out/test_Akkortrichtsatz.out
index d8cba19..00c01fe 100755
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index 49f4229..ce297c6 100755
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diff --git a/build/test/out/test_Anlagenintensitaet.out b/build/test/out/test_Anlagenintensitaet.out
index 19005cd..3380ef7 100755
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index df5aeab..d66f23f 100755
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index 7396ce9..6f9f12b 100755
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diff --git a/build/test/out/test_Cashflow_zu_Gesamtkapital.out b/build/test/out/test_Cashflow_zu_Gesamtkapital.out
index a4416be..808c81a 100755
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diff --git a/build/test/out/test_Dynamische_Amortisationszeit.out b/build/test/out/test_Dynamische_Amortisationszeit.out
index bb06a79..45f8a0d 100755
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diff --git a/build/test/out/test_Effektivverzinsung.out b/build/test/out/test_Effektivverzinsung.out
index bcced59..e607ca4 100755
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diff --git a/build/test/out/test_Finanzierungsregeln.out b/build/test/out/test_Finanzierungsregeln.out
index 25e269a..d3ad7ff 100755
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diff --git a/build/test/out/test_GewinnMaximum.out b/build/test/out/test_GewinnMaximum.out
index 0c1b417..78e31ce 100755
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diff --git a/build/test/out/test_Kalkulatorische_Zinsen.out b/build/test/out/test_Kalkulatorische_Zinsen.out
index e97e068..d68a61d 100755
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diff --git a/build/test/out/test_Kritische_Menge.out b/build/test/out/test_Kritische_Menge.out
index 8a531c8..2cf7a94 100755
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diff --git a/build/test/out/test_Stueckzeitakkort.out b/build/test/out/test_Stueckzeitakkort.out
index aa0f3ce..441e1a5 100755
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diff --git a/build/test/out/test_Vadd.out b/build/test/out/test_Vadd.out
index 0337afe..371c639 100755
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diff --git a/build/test/out/test_Vlength.out b/build/test/out/test_Vlength.out
index 1dab191..0eda6f4 100755
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diff --git a/build/test/out/test_Vshift.out b/build/test/out/test_Vshift.out
index 5adca0f..d9d6c08 100755
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diff --git a/build/test/out/test_Zeitlohn.out b/build/test/out/test_Zeitlohn.out
index bb3e403..4b5f86d 100755
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diff --git a/build/test/out/test_angebotserfolg.out b/build/test/out/test_angebotserfolg.out
index 5c71650..6a667ea 100755
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diff --git a/build/test/out/test_eigenkapital_Rentabilitaeten.out b/build/test/out/test_eigenkapital_Rentabilitaeten.out
index b9887d4..e0d5052 100755
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diff --git a/build/test/out/test_erloesfunktion.out b/build/test/out/test_erloesfunktion.out
index aca7bcc..3ae9abc 100755
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diff --git a/build/test/out/test_gesamtkapital_Rentabilitaeten.out b/build/test/out/test_gesamtkapital_Rentabilitaeten.out
index bcd547c..169cc7b 100755
Binary files a/build/test/out/test_gesamtkapital_Rentabilitaeten.out and b/build/test/out/test_gesamtkapital_Rentabilitaeten.out differ
diff --git a/build/test/out/test_grenzGewinn.out b/build/test/out/test_grenzGewinn.out
index ee5f2db..494ecad 100755
Binary files a/build/test/out/test_grenzGewinn.out and b/build/test/out/test_grenzGewinn.out differ
diff --git a/build/test/out/test_marktanteil.out b/build/test/out/test_marktanteil.out
index f53ea04..218c543 100755
Binary files a/build/test/out/test_marktanteil.out and b/build/test/out/test_marktanteil.out differ
diff --git a/build/test/out/test_trapezFlaeche.out b/build/test/out/test_trapezFlaeche.out
index 52f0fbb..01b82d0 100755
Binary files a/build/test/out/test_trapezFlaeche.out and b/build/test/out/test_trapezFlaeche.out differ
diff --git a/build/test/results/test_Akkortrichtsatz.pass b/build/test/results/test_Akkortrichtsatz.pass
index f170dfe..ada89b6 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: 0.0013904579998325062
+:time: 0.002053432000138855
diff --git a/build/test/results/test_Anlagenabnutzungsgrad.pass b/build/test/results/test_Anlagenabnutzungsgrad.pass
index 1a09f17..132bf42 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: 0.0017952549999336043
+:time: 0.0023919339998883515
diff --git a/build/test/results/test_Anlagenintensitaet.pass b/build/test/results/test_Anlagenintensitaet.pass
index 4a9a8f9..9bff4ff 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: 0.0019534289999683097
+:time: 0.0024566009999489324
diff --git a/build/test/results/test_Anlagenproduktivitaet.pass b/build/test/results/test_Anlagenproduktivitaet.pass
index 0f28191..cb36562 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: 0.007422854999958872
+:time: 0.0014570109999567649
diff --git a/build/test/results/test_Arbeitsproduktivitaet.pass b/build/test/results/test_Arbeitsproduktivitaet.pass
index 7d29d18..5571543 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: 0.002285532000087187
+:time: 0.0017615039998872817
diff --git a/build/test/results/test_Cashflow_zu_Gesamtkapital.pass b/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
index 3b8f1a9..a56ec7c 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: 0.004868327000167483
+:time: 0.0018574569999145751
diff --git a/build/test/results/test_Dynamische_Amortisationszeit.pass b/build/test/results/test_Dynamische_Amortisationszeit.pass
index ae4f9da..f9445b5 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: 0.0016146650000337104
+:time: 0.0018248160001803626
diff --git a/build/test/results/test_Effektivverzinsung.pass b/build/test/results/test_Effektivverzinsung.pass
index 3a5758f..7952755 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: 0.0016162450001502293
+:time: 0.0015330439998706424
diff --git a/build/test/results/test_Finanzierungsregeln.pass b/build/test/results/test_Finanzierungsregeln.pass
index 310e591..04f49c6 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: 0.0018228599999474682
+:time: 0.0019156160001330136
diff --git a/build/test/results/test_GewinnMaximum.pass b/build/test/results/test_GewinnMaximum.pass
index 75bb03c..e3dfff9 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: 0.0032326519999514858
+:time: 0.002028454000083002
diff --git a/build/test/results/test_Kalkulatorische_Zinsen.pass b/build/test/results/test_Kalkulatorische_Zinsen.pass
index fa1ee3a..460fe22 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: 0.002472962000183543
+:time: 0.0031119850000322913
diff --git a/build/test/results/test_Kritische_Menge.pass b/build/test/results/test_Kritische_Menge.pass
index d43f53a..f1c511b 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: 0.0019747849999021128
+:time: 0.006126375999883749
diff --git a/build/test/results/test_Stueckzeitakkort.pass b/build/test/results/test_Stueckzeitakkort.pass
index a57f07c..93fe59a 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: 0.0018317630001547514
+:time: 0.002688381000098161
diff --git a/build/test/results/test_Vadd.pass b/build/test/results/test_Vadd.pass
index 56a6afc..7b89adb 100644
--- a/build/test/results/test_Vadd.pass
+++ b/build/test/results/test_Vadd.pass
@@ -14,6 +14,5 @@
   :passed: 1
   :failed: 0
   :ignored: 0
-:stdout:
-- "(3.000000: "
-:time: 0.001914025000132824
+:stdout: []
+:time: 0.007637768999984473
diff --git a/build/test/results/test_Vlength.pass b/build/test/results/test_Vlength.pass
index 1844a63..b672962 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: 0.001506154000026072
+:time: 0.002594053999928292
diff --git a/build/test/results/test_Vshift.pass b/build/test/results/test_Vshift.pass
index c4b1ddb..5815034 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: 0.002754792000132511
+:time: 0.0016183110001293244
diff --git a/build/test/results/test_Zeitlohn.pass b/build/test/results/test_Zeitlohn.pass
index aa2036d..7cd9181 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: 0.0036282679998294043
+:time: 0.0016626680001081695
diff --git a/build/test/results/test_angebotserfolg.pass b/build/test/results/test_angebotserfolg.pass
index 58589a2..6c6c823 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: 0.0019566180001220346
+:time: 0.002853510000022652
diff --git a/build/test/results/test_eigenkapital_Rentabilitaeten.pass b/build/test/results/test_eigenkapital_Rentabilitaeten.pass
index 8645659..6e8a0e7 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: 0.0015976029999364982
+:time: 0.0037856799999644863
diff --git a/build/test/results/test_erloesfunktion.pass b/build/test/results/test_erloesfunktion.pass
index 4bf42c2..11f3da1 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: 0.001789418000043952
+:time: 0.00754621800001587
diff --git a/build/test/results/test_gesamtkapital_Rentabilitaeten.pass b/build/test/results/test_gesamtkapital_Rentabilitaeten.pass
index 53e63e1..9236516 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: 0.005690295000022161
+:time: 0.0015304190001188545
diff --git a/build/test/results/test_grenzGewinn.pass b/build/test/results/test_grenzGewinn.pass
index d44bb8f..df2b946 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: 0.0021930570001131855
+:time: 0.005991188000052716
diff --git a/build/test/results/test_marktanteil.pass b/build/test/results/test_marktanteil.pass
index 146d1dd..2847ea5 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: 0.002229749999969499
+:time: 0.0026129730001684948
diff --git a/build/test/results/test_trapezFlaeche.pass b/build/test/results/test_trapezFlaeche.pass
index 3ccef5e..3a50734 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: 0.0014242080001167778
+:time: 0.001807500999802869
diff --git a/src/funktion.c b/src/funktion.c
index ae310d7..a0d2f34 100644
--- a/src/funktion.c
+++ b/src/funktion.c
@@ -134,8 +134,6 @@ double Vlength(float x1, float x2, float x3) {
     return result;
 }
 float Vadd(float x1, float z1) {
-    float X1;
-    X1 = x1 + z1;
-    printf("(%f: \n", X1);
-    return X1;
+    double result = x1 + z1;
+    return result;
 }
diff --git a/src/main.c b/src/main.c
index 5e16593..0280e8f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -109,9 +109,7 @@ int main()
     x3 = getValue('X');
     Vlength(x1, x2, x3);
 
-    printf("x eingeben ");
     x1 = getValue('x');
-    printf("a eingeben");
     z1 = getValue('z');
     Vadd(x1,z1);
 }