Math
Free math calculators: full scientific calculator, percentages, fractions, averages, standard deviation, and probability. Solve math operations instantly.
Free Online Scientific Calculator
Complete scientific calculator: trigonometric functions, logarithms, exponentials, roots, and mathematical constants. RAD/DEG mode with operation history.
Percentage Calculator
Calculate percentages, increases, discounts, and percentage changes easily.
Fraction Calculator
Perform operations with fractions, simplify, and convert between fractions and decimals.
Ratio Calculator
Simplify ratios, scale proportions, and solve proportions with unknown terms.
Average Calculator
Calculate the arithmetic and weighted mean of a set of numbers.
Standard Deviation Calculator
Calculate the standard deviation and variance of a data set.
Probability Calculator
Calculate probabilities, permutations, and combinations.
Statistics Calculator
Complete statistical analysis: central tendency, dispersion, quartiles, and visualizations.
Mean, Median, Mode Calculator
Calculate and compare the three main measures of central tendency.
Exponent Calculator
Calculate powers, scientific notation, and learn exponent rules.
Logarithm Calculator
Calculate logarithms in any base, convert between bases, and explore properties.
Root Calculator
Calculate square roots, cube roots, and nth roots, and simplify radicals.