Calculators for Every Subject
From basic arithmetic to advanced calculus, ToolBox provides 200+ math and science calculators that work instantly in your browser.
Algebra & Number Theory
Solve quadratic equations, systems of equations, calculate logarithms, GCD/LCM, prime factorization, Fibonacci numbers, and more. Each calculator shows the formula used and accepts any reasonable input values.
Trigonometry
All six trig functions (sin, cos, tan, sec, csc, cot) plus inverse functions, hyperbolic functions, law of cosines, law of sines, and degree/radian conversion.
Calculus
Power rule derivatives, definite integrals, trapezoidal rule, Newton's method, and Taylor series approximations.
Statistics & Probability
Mean, median, mode, variance, standard deviation, percentiles, combinations, permutations, binomial probability, normal distribution PDF, and weighted averages.
Physics & Chemistry
Momentum, impulse, work, power, gravitational force, electric field, Snell's law, Doppler effect, ideal gas law, Gibbs free energy, Nernst equation, Henderson-Hasselbalch, and dozens more.