Arithmetic Operators in C

Arithmetic Operators in C — a practical guide to C arithmetic operators with clear examples you can reuse in real projects.

C Programming Tutorial Series (20/102). Prefer one article? Read the complete C programming tutorial.

Short description

Integer division truncates; watch divide-by-zero.

Arithmetic

int a = 10, b = 3;
int q = a / b;  /* 3 */
int r = a % b;  /* 1 */