refactoring: pow

src/main/c/Calculator/calculator.c

@@ -1,5 +1,6 @@
 #include <stdio.h>
-#include <math.h>
+#define M_PI 3.14159265358979323
+
 
     // Function prototypes
 void displayMenu();
@@ -9,6 +10,7 @@ int getIntInput(const char *message);
 double factorial(double num);
 double permutation(int n, int r);
 double combination(int n, int r);
+double pow(double num1, int num2);
 
     int main() {
     int choice;
@@ -146,3 +148,11 @@ int getIntInput(const char *message) {
     scanf("%d", &input);
     return input;
 }
+
+double pow(double num1, int num2){
+    double product = 1;
+    for(int i = 0; i < num2; ){
+        product *= num1;
+    }
+    return product;
+}