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index ad8f109..5e3632f 100755
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diff --git a/build/test/results/test_Akkortrichtsatz.pass b/build/test/results/test_Akkortrichtsatz.pass
index bbf3718..d6e1ae1 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: 0.003636677000031341
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diff --git a/build/test/results/test_Anlagenabnutzungsgrad.pass b/build/test/results/test_Anlagenabnutzungsgrad.pass
index 35ad2b9..35eec5c 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: 0.003507821999846783
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diff --git a/build/test/results/test_Anlagenintensitaet.pass b/build/test/results/test_Anlagenintensitaet.pass
index 389ab20..75d64c7 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: 0.002491379999810306
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diff --git a/build/test/results/test_Anlagenproduktivitaet.pass b/build/test/results/test_Anlagenproduktivitaet.pass
index 0563fd4..90ef9f9 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: 0.0020424940003067604
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diff --git a/build/test/results/test_Arbeitsproduktivitaet.pass b/build/test/results/test_Arbeitsproduktivitaet.pass
index 766a128..74bf1a7 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
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diff --git a/build/test/results/test_Cashflow_zu_Gesamtkapital.pass b/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
index f6c0c50..797fcc4 100644
--- a/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
+++ b/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
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index 657e8ba..1fbb851 100644
--- a/build/test/results/test_Effektivverzinsung.pass
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diff --git a/build/test/results/test_Finanzierungsregeln.pass b/build/test/results/test_Finanzierungsregeln.pass
index 3129926..92ac6da 100644
--- a/build/test/results/test_Finanzierungsregeln.pass
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@@ -16,4 +16,4 @@
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diff --git a/build/test/results/test_GewinnMaximum.pass b/build/test/results/test_GewinnMaximum.pass
index 986836c..0175773 100644
--- a/build/test/results/test_GewinnMaximum.pass
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 :stdout:
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index 1aad40c..465acdc 100644
--- a/build/test/results/test_Kalkulatorische_Zinsen.pass
+++ b/build/test/results/test_Kalkulatorische_Zinsen.pass
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index d22fddb..8d846cf 100644
--- a/build/test/results/test_Kritische_Menge.pass
+++ b/build/test/results/test_Kritische_Menge.pass
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diff --git a/build/test/results/test_Stueckzeitakkort.pass b/build/test/results/test_Stueckzeitakkort.pass
index 9da4807..eb2a804 100644
--- a/build/test/results/test_Stueckzeitakkort.pass
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diff --git a/build/test/results/test_Vadd.pass b/build/test/results/test_Vadd.pass
index 6f2e5ed..ae812f1 100644
--- a/build/test/results/test_Vadd.pass
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diff --git a/build/test/results/test_Vaddx2.pass b/build/test/results/test_Vaddx2.pass
index c9039d8..b6bbd87 100644
--- a/build/test/results/test_Vaddx2.pass
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diff --git a/build/test/results/test_Vaddx3.pass b/build/test/results/test_Vaddx3.pass
index 509149d..f848fd4 100644
--- a/build/test/results/test_Vaddx3.pass
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diff --git a/build/test/results/test_Vangle.pass b/build/test/results/test_Vangle.pass
index bf0732d..eece13b 100644
--- a/build/test/results/test_Vangle.pass
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-- 'Der Winkel betraegt: nan'
-- ''
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diff --git a/build/test/results/test_Vlength.pass b/build/test/results/test_Vlength.pass
index ab014ff..811e148 100644
--- a/build/test/results/test_Vlength.pass
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diff --git a/build/test/results/test_Vmiddle.pass b/build/test/results/test_Vmiddle.pass
index c62cd20..be936c5 100644
--- a/build/test/results/test_Vmiddle.pass
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diff --git a/build/test/results/test_Vmiddle2.pass b/build/test/results/test_Vmiddle2.pass
index 63d47f2..97b35fe 100644
--- a/build/test/results/test_Vmiddle2.pass
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diff --git a/build/test/results/test_Vmiddle3.pass b/build/test/results/test_Vmiddle3.pass
index 2322351..f1c326c 100644
--- a/build/test/results/test_Vmiddle3.pass
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diff --git a/build/test/results/test_Vmultiplier.pass b/build/test/results/test_Vmultiplier.pass
index 722bd75..b181d9c 100644
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diff --git a/build/test/results/test_Vmultiplier2.pass b/build/test/results/test_Vmultiplier2.pass
index 41f2925..2454db8 100644
--- a/build/test/results/test_Vmultiplier2.pass
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diff --git a/build/test/results/test_Vmultiplier3.pass b/build/test/results/test_Vmultiplier3.pass
index 42d115c..f73f0b9 100644
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diff --git a/build/test/results/test_Vparallel.pass b/build/test/results/test_Vparallel.pass
index 7e089f7..74cb868 100644
--- a/build/test/results/test_Vparallel.pass
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diff --git a/build/test/results/test_Vshift.pass b/build/test/results/test_Vshift.pass
index 37378d7..842a8d7 100644
--- a/build/test/results/test_Vshift.pass
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diff --git a/build/test/results/test_Vskalort.pass b/build/test/results/test_Vskalort.pass
index d09f260..f8fd9c3 100644
--- a/build/test/results/test_Vskalort.pass
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diff --git a/build/test/results/test_Vsubstract.pass b/build/test/results/test_Vsubstract.pass
index b6dfefc..3336183 100644
--- a/build/test/results/test_Vsubstract.pass
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 :stdout: []
-:time: 0.0069610629998351214
+:time: 0.0017591699997865362
diff --git a/build/test/results/test_Vsubstract2.pass b/build/test/results/test_Vsubstract2.pass
index 145f253..db2b2be 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: 0.0025703319997774088
+:time: 0.0025469290012551937
diff --git a/build/test/results/test_Vsubstract3.pass b/build/test/results/test_Vsubstract3.pass
index a3941d9..b25d49a 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: 0.001652977999583527
+:time: 0.0018718180017458508
diff --git a/build/test/results/test_Zeitlohn.pass b/build/test/results/test_Zeitlohn.pass
index 5976c35..570b787 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: 0.002210190000369039
+:time: 0.004910883000775357
diff --git a/build/test/results/test_angebotserfolg.pass b/build/test/results/test_angebotserfolg.pass
index 0f20d9a..e4f2141 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: 0.0017859230001704418
+:time: 0.001999018999413238
diff --git a/build/test/results/test_eigenkapital_Rentabilitaeten.pass b/build/test/results/test_eigenkapital_Rentabilitaeten.pass
index c8236da..bea054d 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: 0.002008553999985452
+:time: 0.003382340000825934
diff --git a/build/test/results/test_erloesfunktion.pass b/build/test/results/test_erloesfunktion.pass
index c00bd14..251b43c 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: 0.0019638029998532147
+:time: 0.0019166260008205427
diff --git a/build/test/results/test_gesamtkapital_Rentabilitaeten.pass b/build/test/results/test_gesamtkapital_Rentabilitaeten.pass
index f7e7cf3..9efe280 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: 0.0020353720001367037
+:time: 0.0038596659996983362
diff --git a/build/test/results/test_grenzGewinn.pass b/build/test/results/test_grenzGewinn.pass
index 4d22147..207cade 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: 0.0026516950001678197
+:time: 0.008569053999963216
diff --git a/build/test/results/test_marktanteil.pass b/build/test/results/test_marktanteil.pass
index ac16986..37e5b85 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: 0.001674809999713034
+:time: 0.003991020999819739
diff --git a/build/test/results/test_trapezFlaeche.pass b/build/test/results/test_trapezFlaeche.pass
index 3808471..4c83c99 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: 0.0016354180006601382
+:time: 0.0014998970000306144
diff --git a/src/funktion.c b/src/funktion.c
index f7b25cc..3061755 100644
--- a/src/funktion.c
+++ b/src/funktion.c
@@ -232,7 +232,6 @@ double Vangle(float x1, float x2, float x3, float z1, float z2, float z3) {
     double p = sqrt(x1 * x1 + x2 * x2 + x3 * x3);
     double q = sqrt(z1 * z1 + z2 * z2 + z3 * z3);
     double s = i / (p * q);
-    double t = acos(s) * 180 / M_PI;
-    printf("Der Winkel betraegt: %f\n\n", t);
+    double result = acos(s) * 180 / M_PI;
     return 11;
 }
diff --git a/src/main.c b/src/main.c
index e90e88d..1f9313f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -174,21 +174,12 @@ int main()
     z3 = getValue('Z');
     Vskalort(x1, x2, x3, z1, z2, z3);
 
-    printf("1. Vektor\n");
-    printf("1. Vektor\n");
-    printf("x eingeben");
     x1 = getValue('X');
-    printf("y eingeben ");
     x2 = getValue('X');
-    printf("z eingeben");
     x3 = getValue('X');
 
-    printf("2. Vektor\n");
-    printf("a eingeben");
     z1 = getValue('Z');
-    printf("b eingeben ");
     z2 = getValue('Z');
-    printf("c eingeben");
     z3 = getValue('Z');
     Vangle(x1,x2,x3,z1,z2,z3);
 }