Math
Math calculators for equations, fractions, percentages, and more.
Scientific Calculator
Full scientific calculator with trigonometry, logarithms, exponents, factorials, and keyboard support.
Try NowPercentage Calculator
Calculate percentages: find X% of Y, what percent X is of Y, or the percentage change between two values.
Try NowRandom Number Generator
Generate random numbers within a custom range. Options for integers or decimals, unique or duplicate values, and sorted results.
Try NowFraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step solutions. Supports mixed numbers and simplifies results automatically.
Try NowRule of Three
Solve proportions with the rule of three. Supports direct and inverse proportions with step-by-step solutions.
Try NowStatistics Calculator
Calculate mean, median, mode, standard deviation, variance, and more from your data set. Supports both population and sample statistics.
Try NowGCD & LCM Calculator
Calculate the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two or more numbers. Shows prime factorization and step-by-step solution.
Try NowQuadratic Equation Solver
Solve ax² + bx + c = 0 using Bhaskara's formula. See discriminant, roots (real or complex), vertex, step-by-step solution, and parabola graph.
Try NowPrime Number Checker
Check if a number is prime and see its prime factorization.
Try NowFactorial Calculator
Calculate n! with BigInt precision for any number from 0 to 1000.
Try NowPermutation & Combination Calculator
Calculate permutations P(n,r) and combinations C(n,r) with exact BigInt precision.
Try NowRatio Calculator
Solve proportions (A:B = C:?) and simplify ratios to lowest terms.
Try NowCircle Calculator
Compute radius, diameter, circumference, and area from any one known circle measurement.
Try NowLogarithm Calculator
Compute log base b of any positive number, with presets for log₁₀, ln, and log₂, plus a full change-of-base breakdown.
Try NowPythagorean Theorem Calculator
Solve for any missing side of a right triangle — hypotenuse or leg — using the Pythagorean theorem.
Try NowScientific Notation Converter
Convert decimal numbers to scientific and engineering notation, and back — bidirectional with clear formatted output.
Try NowSquare & Cube Root Calculator
Compute the square root, cube root, and any nth root of a number, with perfect square and cube detection.
Try NowTriangle Calculator
Calculate triangle area using base & height or all three sides (Heron's formula), with perimeter and triangle-inequality validation.
Try NowDistance Between Two Points
Calculate the straight-line Euclidean distance between two points (x₁,y₁) and (x₂,y₂) with step-by-step formula breakdown.
Try NowExponent Calculator
Calculate any base raised to any power, including negative and fractional exponents.
Try NowMidpoint Calculator
Find the exact midpoint between two coordinate points using the midpoint formula.
Try NowPrime Factorization Calculator
Break any positive integer into its unique product of prime factors and see the exponent form instantly.
Try NowSlope Calculator
Calculate slope, angle, line equation, y-intercept, and distance between two points.
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