General
Root Calculator
Calculate square roots, cube roots, and general nth roots of any positive or negative real number.
Blog Archive
Archives: Calculators
Explore all editorial articles, guides, and tutorials filed under "Archives: Calculators".
General
Right Triangle Calculator
Calculate hypotenuse, legs, area, perimeter, and acute angles of a right triangle using Pythagorean theorem and SOH CAH TOA.
General
Prime Number Calculator
Test if any integer is a prime or composite number, find its smallest divisor, and discover the next prime number.
General
Rounding Calculator
Round numbers to the nearest whole number, tenth, hundredth, thousandth, or significant figures using standard round-half-up.
General
Factorial Calculator
Calculate factorials n! for positive integers and gamma function approximations for fractional numbers.
General
Matrix Calculator
Perform matrix addition, multiplication, determinants, transpositions, and matrix inversions for 2x2 and 3x3 matrices.
General
Greatest Common Factor Calculator
Find the Greatest Common Factor (GCF / GCD / HCF) of two or more integers with step-by-step Euclidean algorithm solutions.
General
Least Common Multiple Calculator
Calculate the Least Common Multiple (LCM / LCD) of integers using prime factorization and Euclidean GCD methods.
General
Probability Calculator
Calculate probabilities of independent, dependent, mutually exclusive, and conditional events P(A or B), P(A and B).
General
Half-Life Calculator
Calculate remaining quantity, half-life constant, decay rate, or elapsed time for radioactive isotopes and pharmaceutical drug elimination.