Math & Statistics Calculators
Percentages, fractions, algebra, geometry, statistics, probability, and scientific tools.
46 tools
- Area Calculator Area of common 2D shapes.
- Basic Calculator Simple four-function calculator.
- Big Number Calculator Add/multiply large numbers as strings (JS BigInt).
- CGPA ↔ Percentage Calculator Convert CGPA to percentage using common multipliers.
- Circle Calculator Area and circumference from radius.
- Common Factor Calculator Common factors of two numbers.
- Confidence Interval Calculator Mean confidence interval (z).
- Discount Calculator Sale price after percent off.
- Distance Calculator Distance between two points.
- Exam Marks to Grade Letter Convert percentage marks to a letter grade (common scale).
- Exponent Calculator Base raised to a power.
- Factor Calculator All positive factors of an integer.
- Fraction Calculator Add, subtract, multiply, or divide two fractions.
- Greatest Common Factor Calculator GCF/GCD of two integers.
- Least Common Multiple Calculator LCM of two integers.
- Log Calculator Logarithm with any base.
- Long Division Calculator Quotient and remainder.
- Matrix Calculator 2×2 determinant and inverse.
- Mean, Median, Mode, Range Calculator Central tendency and range.
- Modulo Calculator Remainder of integer division (a mod b).
- Number Sequence Calculator Arithmetic or geometric nth term.
- P-value Calculator Two-tailed p-value from z-score (approx).
- Partial Fraction Calculator Decompose (px + q) / ((x−a)(x−b)) into partial fractions.
- Percent Error Calculator |experimental − true| / true × 100%.
- Percent Off Calculator Final price after percent off.
- Percentage Calculator What is X% of Y, X is what % of Y, percent change, and more.
- Permutation and Combination Calculator nPr and nCr.
- Prime Factorization Calculator Prime factors of an integer.
- Probability Calculator Basic probability of events.
- Pythagorean Theorem Calculator a² + b² = c².
- Quadratic Formula Calculator Roots of ax² + bx + c = 0.
- Quadratic Inequality Calculator Solve ax² + bx + c ≷ 0 for real intervals (simplified).
- Random Number Generator Generate random integers in a range.
- Ratio Calculator Simplify or scale ratios.
- Root Calculator nth root of a number.
- Rounding Calculator Round to decimal places or significant figures.
- Sample Size Calculator Sample size for proportion surveys.
- Scientific Calculator Scientific keypad with trigonometry, logarithms, roots, and powers.
- Significant Figures Calculator Round a number to N significant figures.
- Slope Calculator Slope between two points.
- Standard Deviation Calculator Mean, variance, and standard deviation.
- Statistics Calculator Descriptive statistics for a list.
- Surface Area Calculator Surface area of common solids.
- Vector Calculator 2D vector magnitude, unit vector, and dot product.
- Volume Calculator Volume of common 3D shapes.
- Z-score Calculator Z = (x − μ) / σ.