Mathematics Calculators
Calculators for school, work and everyday numbers. Each shows the formula it uses, so you can check the answer and learn the method.
Calculators
Percentage calculatorPercent, change,, discounts,, markups
Scientific CalculatorScientific, calculator, sin, cos, tan, log, powers, roots
Basic CalculatorCalculator, arithmetic, add, subtract, multiply, divide
Statistics CalculatorMean, median, mode, standard, deviation, variance, quartile, IQR
Chi-Square CalculatorChi, square, test, p-value, goodness, of, fit, independence
Pythagorean Theorem CalculatorPythagorean, theorem, hypotenuse, right, triangle, a, squared, b
Dice RollerDice, D6, D20, D4, D8, D10, D12, D100
Random Number GeneratorRandom, number, generator, range, unique, lottery, picker
Password GeneratorPassword, generator, secure, random, strong, entropy, crypto
Money calculators
fcalculator's main focus: mortgages, loans, savings, retirement and tax, with live rates.