diff --git a/src/inputHandling.c b/src/inputHandling.c
index e7f7f61..983e521 100644
--- a/src/inputHandling.c
+++ b/src/inputHandling.c
@@ -6,12 +6,12 @@
 
 char formulaBuffer[1000];
 
-void input(char* formulaString, int length) {
+void processInput(char* formulaString, int length) {
     deleteWhitespace(formulaString, length);
     calc_op temp;
     memcpy(formulaBuffer, formulaString, length);
     temp.formel = formulaString;
-    temp.funktionstyp = readFunction(formulaBuffer, 10);
+    temp.funktionstyp = detectFunctionOperator(formulaBuffer, 10);
     if (getNumbers(formulaBuffer, length, &temp) == NULL){
         showStruct(&temp);
     } else {
@@ -32,7 +32,7 @@ void deleteWhitespace(char* formulaString, int length){
 }
 
 //Einfachste Rechenoperationen lesen
-op readFunction(char* formulaString, int length){
+op detectFunctionOperator(char* formulaString, int length){
     for(int stringCount=0; stringCount < length; stringCount++){
         switch (formulaString[stringCount]){
             case '+': return opAdd;
@@ -47,7 +47,7 @@ op readFunction(char* formulaString, int length){
 }
 
 //Zahlen auslesen (+)
-char* getNumbers(char* formulaString, int length, calc_op* formulaRef){ //input sind: string, länge vom String, berechnungsstruct
+char* getNumbers(char* formulaString, int length, calc_op* formulaRef){ //processInput sind: string, länge vom String, berechnungsstruct
     // char tmp[length];
     char* splitPnt;
     int numPos = 0;
@@ -76,7 +76,7 @@ char* getNumbers(char* formulaString, int length, calc_op* formulaRef){ //input
         token = strtok(NULL, "+"); //Sucht von der letzten Plus-Stelle an weiter
     }
     formulaRef->arraylength=numPos; //Länge des Arrays (also zu berechnende Zahlen) gespeichert
-    op type = readFunction(splitPnt, strlen(splitPnt)+1);
+    op type = detectFunctionOperator(splitPnt, strlen(splitPnt) + 1);
     if (type != opNotSupported && type != opEmpty){
         return splitPnt;
     } else {
diff --git a/src/inputHandling.h b/src/inputHandling.h
index 4387a8e..3fa35e7 100644
--- a/src/inputHandling.h
+++ b/src/inputHandling.h
@@ -15,10 +15,10 @@ void* parent;
 double result;
 }calc_op;
 
-extern void input(char* formulaString, int length);
+extern void processInput(char* formulaString, int length);
 extern void showStruct(calc_op* formulaRef);
 extern void deleteWhitespace(char* formulaString, int length);
-extern op readFunction(char* formulaString, int length);
+extern op detectFunctionOperator(char* formulaString, int length);
 extern char* getNumbers(char* formulaString, int length, calc_op* formulaRef);
 extern void showStruct(calc_op* formulaRef);
 
diff --git a/src/main.c b/src/main.c
index 23d049e..310d6ea 100644
--- a/src/main.c
+++ b/src/main.c
@@ -10,5 +10,5 @@ char a[STRINGL] = {0};
 void main() {
     printf("Geben Sie eine Rechenoperation ein (Bsp.: 1+1):\n");
     fgets(a, STRINGL, stdin);     //fgets statt scanf, holt den kompletten String inkl. Whitespace
-    input(a, strlen(a));
+    processInput(a, strlen(a));
 }