Compute exponential series: 1 + x + x²/2! + ... up to n terms Dry Run in C

Compute exponential series: 1 + x + x²/2! + ... up to n terms is an interactive C dry run visualizer from the For programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

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Compute exponential series: 1 + x + x²/2! + ... up to n terms Program Code

#include <stdio.h>
int main() {
    int x, n, i;
    float sum = 1.0, term = 1.0, fact = 1.0, power = 1.0;
    printf("Enter x and number of terms: ");
    scanf("%d %d", &x, &n);
    
    for(i = 1; i < n; i++) {
        power = power * x;      // x^i
        fact = fact * i;         // i!
        term = power / fact;     // x^i / i!
        sum = sum + term;        // add to sum
    }
    
    printf("e^%d ≈ %.6f\n", x, sum);
    return 0;
}

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