Math & Statistics Calculators

Compute percentage of a number, percentage increase/decrease, and relative percentage changes.

Add, subtract, multiply, and divide fractions with automatic GCD reduction and mixed number support.

Calculate linear simple interest (I = P × R × T) with exact day-basis Indian commercial banking conventions.

Compute single discounts, stacked double discounts, and GST post-discount invoice prices.

Determine Mean, Median, Mode, Range, geometric mean, and harmonic mean with step-by-step math.

Simplify ratios, solve equivalent proportions (A:B = C:D), and divide quantities proportionally.

Analyze single events, complementary odds, two-event intersections/unions, and binomial series distributions.

Calculate sample and population standard deviation, variance, standard error, and 68-95-99.7 empirical rule.

Compute principal square roots, cube roots, nth roots, simplified radical radicals (k√r), and exponent powers.

Factorial arrangements, order-sensitive permutations, and order-insensitive combinations with steps.

Find the Least Common Multiple and Greatest Common Divisor for 2 to 10 numbers using prime factorizations.