C

DeitelC/Chapter3/CheckConstantEOverX.c

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+#include <stdio.h>
+
+double powerFun(double base, int exponent) {
+    double result = 1.0;
+    for (int i = 0; i < exponent; i++) {
+        result *= base;
+    }
+    return result;
+}
+
+int main(void) {
+    int userData;
+    printf("Please Enter x (in E^x): ");
+    scanf("%d", &userData);
+
+    double constant = 2.0; // Initialize constant as a double
+    double counter = 1.0; // Initialize counter to 1.0
+    double data = 1.0; // Initialize data to 1.0
+
+    for (int i = 1; i <= userData; i++) {
+        data *= constant; // Update data by multiplying with constant
+        double term = powerFun(userData, i) / data; // Calculate the term for the current iteration
+        counter += term; // Add the term to the counter
+        printf("counter: %f\n", counter);
+    }
+
+    printf("e^%d = %f\n", userData, counter);
+
+    return 0;
+}