Number Calculator

Permutations, combinations, prime number checker and more

Calculator List

$🔢 Permutation / Combination Calculator$

Enter n and r to calculate nPr (permutation), nCr (combination), and n! (factorial).

$Prime Number Checker$

Enter a number to check if it is prime, list primes in a range, or find the prime factorization.

$Standard Score / Percentile Calculator$

Estimate a standard score and percentile from a raw score, mean, and standard deviation.

$GPA Calculator$

Calculate your grade point average (GPA) from each course's credit hours and letter grade.

$Mean / Standard Deviation Calculator$

Enter a list of numbers to calculate the mean, variance, standard deviation, and median.

$Logarithm / Exponent Calculator$

Calculate a logarithm value from a base and a true value, or a power value from a base and an exponent.