Basic Arithmetic Calculators

➕

Add, subtract, multiply, divide

Enter Expression *

Supports: + − × ÷ ^ ( ) — use * for multiply, / for divide, ^ for power

Result

Three percentage calculation modes

Percentage (%)

Of Number

Calculates: What is X% of Y?

Result

Statistical averages

Enter Numbers *

Separate numbers with commas

n! — supports up to 170!

Enter n *

Enter a non-negative integer (0–170)

Result

Check if a number is prime

Number

Find Primes Up To

Result

Greatest Common Divisor & Least Common Multiple

Enter Numbers *

Enter 2 or more numbers separated by commas

Binary ↔ Decimal ↔ Hexadecimal ↔ Octal

Input Value

From Base