Math & Calculators

A fast, sleek standard calculator for everyday arithmetic with keyboard support, operation memory, and calculation history.

Advanced scientific calculator with trigonometry (sin, cos, tan), logarithms, powers, roots, factorials, and mathematical constants (π, e).

Add, subtract, multiply, and divide fractions and mixed numbers with step-by-step simplification to lowest terms.

Solve equivalent ratios (A:B = C:D), simplify complex ratios to lowest terms, and scale proportions up or down.

Calculate arithmetic mean, geometric mean, harmonic mean, and sum from any set of comma or space-separated numbers.

Find the median middle value of any dataset with sorted number visualization and odd/even set handling.

Identify the mode (most frequently occurring numbers) in a dataset with frequency tables and multimodal detection.

Calculate sample standard deviation, population standard deviation, variance, and mean with step-by-step deviation tables.

Calculate single event probabilities, complementary events, independent event intersections (A AND B), and unions (A OR B).

Calculate square roots, cube roots, and custom Nth roots with radical simplification and perfect square checks.

Find the Least Common Multiple (LCM) of two or more numbers with prime factorization steps.

Find the Greatest Common Divisor (GCD / HCF) of two or more numbers using the Euclidean algorithm with step-by-step working.

Check whether a number is prime or composite, discover its complete prime factorization, and find adjacent prime numbers.

Generate cryptographically random numbers within custom ranges, generate unique non-repeating sets, or roll virtual dice.

Convert standard decimal numbers to scientific notation ($a \times 10^b$), engineering notation, and e-notation formats.

Calculate dimensions, perimeter, surface area, and volume for Circle instantly.

Calculate dimensions, perimeter, surface area, and volume for Triangle instantly.

Calculate dimensions, perimeter, surface area, and volume for Rectangle instantly.

Calculate dimensions, perimeter, surface area, and volume for Trapezoid instantly.

Calculate dimensions, perimeter, surface area, and volume for Rhombus instantly.

Calculate dimensions, perimeter, surface area, and volume for Ellipse instantly.

Calculate dimensions, perimeter, surface area, and volume for Parallelogram instantly.

Calculate dimensions, perimeter, surface area, and volume for Cylinder Volume instantly.

Calculate dimensions, perimeter, surface area, and volume for Sphere Volume instantly.

Calculate dimensions, perimeter, surface area, and volume for Cone Volume instantly.

Calculate dimensions, perimeter, surface area, and volume for Cube Volume instantly.

Calculate dimensions, perimeter, surface area, and volume for Pyramid Volume instantly.

Calculate dimensions, perimeter, surface area, and volume for Hemisphere Volume instantly.

Calculate 5% of any number instantly with step-by-step math formula.

Calculate 10% of any number instantly with step-by-step math formula.

Calculate 15% of any number instantly with step-by-step math formula.

Calculate 18% of any number instantly with step-by-step math formula.

Calculate 20% of any number instantly with step-by-step math formula.

Calculate 25% of any number instantly with step-by-step math formula.

Calculate 30% of any number instantly with step-by-step math formula.

Calculate 35% of any number instantly with step-by-step math formula.

Calculate 40% of any number instantly with step-by-step math formula.

Calculate 50% of any number instantly with step-by-step math formula.

Calculate 60% of any number instantly with step-by-step math formula.

Calculate 75% of any number instantly with step-by-step math formula.