General Math
Calculators.
Free precision tools — no signup, no ads.
13 Tools
Fraction Calculator
Add, subtract, multiply, and divide fractions easily
Matrix Calculator
Add, multiply, find determinants, inverses, and solve systems of equations with step-by-step solutions
Logarithm Calculator
Calculate log base 10, natural log, log base 2, or any custom base with step-by-step work
Exponent Calculator
Calculate powers, roots, and fractional exponents with step-by-step explanations
Scientific Notation Calculator
Convert numbers to/from scientific notation and operate on them
Quadratic Formula Calculator
Solve ax²+bx+c=0 with step-by-step quadratic formula, discriminant analysis, parabola chart, and interactive explorer
Molar Mass Calculator
Calculate molar mass, percent composition, and mole conversions for any chemical formula
Concentration & Dilution Calculator
Calculate molarity, moles, volume, and C₁V₁=C₂V₂ dilutions for chemistry solutions