∑ Algebra & Calculus Calculators
Equations, sequences, logs, derivatives, integrals and numbers. Browse 36 free algebra & calculus calculators, each with the formula, a worked example and an interactive chart.
Percentage CalculatorFind a percentage of a number, and what percent one number is of another.Percent Increase and Decrease CalculatorCompute percent change between two values.Ratio SimplifierSimplify a ratio to lowest terms.GCD and LCM CalculatorFind the greatest common divisor and least common multiple.Divisor Count CalculatorCount divisors of a whole number and test whether it is prime.Quadratic Equation SolverSolve ax² + bx + c = 0 and find the vertex.Linear Equation Solver (ax + b = c)Solve a linear equation for x.System of Two Linear Equations SolverSolve two equations with two unknowns using Cramer's rule.Slope Between Two Points CalculatorFind the slope, intercept and distance between two points.Exponent and Root CalculatorCompute powers and roots.Logarithm CalculatorCompute natural, base-10, base-2 and custom-base logarithms.Scientific Notation ConverterWrite a number in scientific notation.Compound Interest CalculatorCompute the future value of an investment with compounding.Loan Payment CalculatorCompute a monthly loan or mortgage payment.Rule of 72 Doubling Time CalculatorEstimate how long it takes to double at a growth rate.Arithmetic Sequence CalculatorFind the nth term and sum of an arithmetic sequence.Geometric Sequence CalculatorFind the nth term and sum of a geometric sequence.Factorial CalculatorCompute n! and related counts.Permutations and Combinations CalculatorCompute nPr and nCr.Binomial Theorem Coefficient CalculatorFind the kth term of (a + b)^n.Complex Number CalculatorFind the modulus, argument and polar form of a complex number.Complex Number Multiplication CalculatorMultiply two complex numbers.Distance and Midpoint on a Number LineFind distance and midpoint between two numbers.Derivative of a Polynomial at a Point CalculatorDifferentiate ax³ + bx² + cx + d and evaluate the slope at x.Definite Integral of a Polynomial CalculatorIntegrate ax² + bx + c between two limits.Euler's Number from Compound Growth CalculatorSee (1 + 1/n)^n approach e.Numerical Integration (Trapezoid) of sin(x) CalculatorApproximate the integral of sin(x) with the trapezoid rule.Newton's Method Square Root CalculatorApproximate a square root with Newton iterations.Pythagorean Theorem CalculatorFind the hypotenuse or a missing side of a right triangle.Linear Inequality SolverSolve ax + b > c.2×2 Matrix Determinant and Inverse CalculatorCompute determinant, trace and inverse of a 2×2 matrix.Vector Dot and Cross Product CalculatorCompute dot product, cross product and angle for 3D vectors.Fibonacci Number and Golden Ratio CalculatorFind the nth Fibonacci number via Binet's formula.Modulo and Remainder CalculatorFind the remainder and quotient after division.Decimal to Binary, Octal and Hex ConverterConvert a whole number into other bases.Significant Figures CalculatorRound a number to a chosen number of significant figures.
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🚀 Mechanics & Motion🔥 Thermodynamics & Fluids⚡ Electricity & Magnetism🌈 Waves, Sound & Optics🪐 Modern Physics & Astronomy⚗️ General Chemistry🧪 Solutions, Acids & Kinetics🧬 Genetics & Molecular Biology🌿 Ecology & Evolution🫀 Human Body & Health📐 Geometry & Trigonometry📊 Statistics & Probability🌍 Earth & Environmental Science