Math Calculators
Use the basic math calculator to do simple calculations or use one of the following calculators.
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General Math & Algebra
Scientific Calculator
Online scientific calculator with trigonometric, logarithmic, exponential, and memory functions.
Fraction Calculator
Add, subtract, multiply, and divide fractions and mixed numbers with step-by-step reduction.
Percentage Calculator
Solve percentage of, percentage change, increase/decrease, and base amount.
Random Number Generator
Generate unbiased pseudorandom integers, decimals, or custom range lottery picks.
Percent Error Calculator
Calculate experimental versus theoretical percentage discrepancy in scientific measurements.
Exponent Calculator
Calculate powers, negative exponents, fractional powers, and large exponent towers.
Binary Calculator
Add, subtract, multiply, and convert binary, octal, decimal, and hexadecimal numbers.
Hex Calculator
Perform hexadecimal math and bitwise operations (AND, OR, XOR, NOT).
Half-Life Calculator
Solve radioactive isotope decay, remaining quantity, half-life duration, and decay constant.
Quadratic Formula Calculator
Find real and complex roots of ax² + bx + c = 0 with discriminant analysis.
Log Calculator
Calculate natural logarithm (ln), base-10 (log), and arbitrary base logarithms.
Ratio Calculator
Simplify ratios and solve proportional equations (A:B = C:D) for missing variables.
Root Calculator
Calculate square root, cube root, and general nth roots of any positive or negative number.
Least Common Multiple Calculator
Find LCM of two or more integers using prime factorization or division method.
Greatest Common Factor Calculator
Find GCF / GCD of multiple integers using Euclidean algorithm.
Factor Calculator
List all positive and negative factors, factor pairs, and prime factors of an integer.
Rounding Calculator
Round numbers to nearest tenth, hundredth, thousandth, or significant figures.
Matrix Calculator
Perform matrix addition, multiplication, determinant, inverse, and transpose operations.
Scientific Notation Calculator
Add, subtract, multiply, and divide numbers expressed in standard scientific notation.
Big Number Calculator
Perform arbitrary precision arithmetic on numbers with hundreds of digits.
Prime Factorization Calculator
Decompose any integer into its fundamental prime components with exponential notation.
Common Factor Calculator
Find all common divisors shared between sets of numbers.
Basic Calculator
Simple four-function online calculator for fast addition, subtraction, multiplication, and division.
Long Division Calculator
Calculate step-by-step long division showing quotient, remainder, and decimal expansion.
Average Calculator
Calculate arithmetic mean, weighted average, and sum from lists of numbers.
P-value Calculator
Calculate p-values for Z, t, Chi-square, and F distributions in hypothesis testing.
Statistics
Standard Deviation Calculator
Calculate sample and population standard deviation, variance, and mean with step-by-step math.
Number Sequence Calculator
Find arithmetic, geometric, and Fibonacci sequence nth terms and sums.
Sample Size Calculator
Determine statistically valid survey sample size based on confidence level and margin of error.
Probability Calculator
Calculate probability of single events, independent events, mutually exclusive events, and conditional Bayes.
Statistics Calculator
Compute full descriptive statistical summary including quartiles, IQR, and skewness.
Mean, Median, Mode, Range Calculator
Calculate measures of central tendency and statistical spread from data sets.
Permutation and Combination Calculator
Calculate nPr and nCr combinations with and without replacement.
Z-score Calculator
Convert raw scores to standard normal Z-scores and find area under the bell curve.
Confidence Interval Calculator
Calculate 90%, 95%, and 99% confidence intervals for population means and proportions.
Geometry
Triangle Calculator
Solve unknown sides, angles, area, and perimeter using Heron formula and law of sines/cosines.
Volume Calculator
Calculate volume and surface area for spheres, cones, cylinders, cubes, and rectangular prisms.
Slope Calculator
Find line slope (m), angle of incline, y-intercept, and distance between two coordinate points.
Area Calculator
Calculate area of circles, ellipses, triangles, trapezoids, parallelograms, and polygons.
Distance Calculator
Calculate 2D and 3D Euclidean distance between coordinates.
Circle Calculator
Calculate radius, diameter, circumference, and surface area of circles.
Surface Area Calculator
Calculate total and lateral surface areas of 3D geometric solids.
Pythagorean Theorem Calculator
Solve right triangle hypotenuse or missing leg length using a² + b² = c².
Right Triangle Calculator
Solve sides and acute angles of 90-degree right triangles with trigonometry.