Math & Science Calculators
Solve algebra equations, fractions, geometry areas, percentages, and scientific formulas.
Average Percentage Calculator 2026
Calculate the accurate weighted or simple average of multiple percentages and sample sizes.
Fraction to Percent Calculator 2026
Convert any proper, improper, or mixed fraction into an exact percentage and decimal.
Decimal to Percent Converter 2026
Convert any decimal number to its exact percentage, fractional form, and basis points.
Doubling Time Calculator 2026
Calculate exact logarithmic doubling time and compare against the Rule of 70 and 72.
Percentage Change Calculator 2026
Calculate the exact percentage change, increase, or decrease between any two values.
Percentage Decrease Calculator 2026
Calculate percentage decrease, discounted final amounts, and net dollar savings.
Percentage Difference Calculator 2026
Calculate the percentage difference between two independent numbers using average base.
Percentage Increase Calculator 2026
Calculate percentage increase, final escalated values, and growth factor multiples.
Percentage Increase Classic Calculator 2026
Calculate the exact result when you increase any number by a specific percentage rate.
Percentage of a Percentage Calculator 2026
Calculate nested percentages, sequential reductions, and compound probability rates.
Percentage Point Calculator 2026
Calculate the critical difference between percentage points (pp) and relative percentage change.
Percent Error Calculator 2026
Calculate experimental percent error against theoretical or accepted true values.
Time Percentage Calculator 2026
Calculate percentage of time elapsed in hours, days, months, and calendar years.
Percent to Goal Calculator 2026
Track milestone progress percentage toward fundraising, sales quotas, and savings targets.
Relative Change Calculator 2026
Calculate dimensionless relative change and relative difference across scientific variables.
Slope Percentage Calculator 2026
Calculate road grade and civil engineering slope percentages, rise, run, and angle degrees.
Absolute Value Equation Calculator 2026
Solve linear absolute value equations |ax + b| = c with step-by-step branching solutions.
Absolute Value Inequalities Calculator 2026
Solve |ax + b| < c and |ax + b| > c with interval notation and compound inequalities.
Adding and Subtracting Polynomials Calculator 2026
Combine, add, and subtract quadratic and cubic polynomials with like-term grouping.
Bessel Function Calculator 2026
Calculate Bessel functions of the first kind J₀(x), J₁(x), and J_n(x) with high precision.
Binomial Coefficient Calculator 2026
Calculate 'n choose k' combinations C(n, k) and Pascal's triangle coefficients.
Box Method Calculator (Grid Multiplication) 2026
Multiply binomials and factor quadratic trinomials using the visual area box model.
Completing the Square Calculator 2026
Solve quadratic equations ax² + bx + c = 0 step-by-step by completing the square.
Complex Conjugate Calculator 2026
Calculate complex conjugates, modulus, absolute value, and products of complex numbers.
Complex Number Calculator 2026
Add, subtract, multiply, and divide complex numbers (a + bi) with polar conversion.
Complex Root Calculator (De Moivre's Theorem) 2026
Calculate the n-th roots of a complex number using De Moivre's theorem.
Cubic Equation Calculator 2026
Solve cubic polynomial equations ax³ + bx² + cx + d = 0 using Cardano's formula.
Descartes' Rule of Signs Calculator 2026
Determine the possible number of positive and negative real roots of any polynomial.
Diamond Problem Calculator 2026
Solve math diamond puzzles: product on top, sum on bottom, two factors on left and right.
Direct Variation Calculator 2026
Calculate constant of variation k in y = kx and solve proportional direct relationships.
Discriminant Calculator 2026
Evaluate the quadratic discriminant Δ = b² - 4ac to determine root nature and count.
Elimination Method Calculator (Linear Systems) 2026
Solve 2x2 systems of linear equations using the addition and elimination method.
Error Function Calculator erf(x) & erfc(x) 2026
Calculate the Gauss error function erf(x) and complementary error function erfc(x).
Factoring Trinomials Calculator (ax² + bx + c) 2026
Factor quadratic trinomials into binomial pairs (px + q)(rx + s) step-by-step.
FOIL Calculator (First, Outer, Inner, Last) 2026
Multiply two binomials (ax + b)(cx + d) with step-by-step FOIL expansion.
Gamma Function Calculator Γ(n) 2026
Calculate the generalized factorial Gamma function Γ(x) for real and fractional values.
Generic Rectangle Calculator (Area Model) 2026
Multiply multidigit numbers and polynomials using the visual generic rectangle area model.
Graphing Inequalities on a Number Line Calculator 2026
Visualize linear inequalities on a 1D number line with open/closed circle boundaries.
Graphing Quadratic Inequalities Calculator 2026
Analyze parabolas, find vertices, x-intercepts, boundary styles, and shaded solution regions.
Hyperbolic Functions Calculator 2026
Calculate sinh, cosh, tanh, sech, csch, and coth with exact exponential derivations.
Inequality to Interval Notation Calculator 2026
Convert single and compound inequalities to standard interval and set-builder notation.
Interval Notation Calculator 2026
Analyze intervals, calculate length, midpoint, radius, and convert to inequalities.
Inverse Variation Calculator 2026
Calculate the constant of variation k and solve for missing variables in y = k / x.
Multiplying Binomials Calculator 2026
Multiply two linear binomials (ax + b)(cx + d) using the FOIL method.
Multiplying Polynomials Calculator 2026
Multiply quadratic and cubic polynomials using distributive expansion and Cauchy convolution.
Partial Fraction Decomposition Calculator 2026
Decompose rational expressions (px + q)/[(x - r₁)(x - r₂)] into simple partial fractions.
Perfect Square Trinomial Calculator 2026
Test if ax² + bx + c is a perfect square trinomial and find its factored binomial square.
Polynomial Division Calculator 2026
Divide cubic polynomials by linear divisors (x - c) to find quotient and remainder.
Power Set Calculator 2026
Compute power set cardinality 2ⁿ, subset distributions, and enumerate all subsets.
Quadratic Formula Calculator 2026
Solve any quadratic equation ax² + bx + c = 0 with real and complex roots.
Quaternion Calculator 2026
Compute Hamilton quaternion addition, subtraction, conjugate, norm, and non-commutative multiplication.
Rational Zeros Calculator 2026
Find all candidate rational roots of a polynomial using the Rational Root Theorem.
Square of a Binomial Calculator 2026
Expand (ax + b)² and (ax - b)² with step-by-step algebraic and geometric area breakdowns.
Subset Calculator 2026
Check subset and proper subset relations between sets A and B with cardinality analysis.
Substitution Method Calculator 2026
Solve 2x2 systems of linear equations using the algebraic substitution method.
Synthetic Division Calculator 2026
Divide polynomials by (x - c) with full synthetic division tableau rows.
System of Equations Calculator 2026
Solve 2x2 linear systems using Cramer's rule determinants and geometric classifications.
Truth Table Generator 2026
Generate full propositional logic truth tables for AND, OR, XOR, IMPLIES, and BICONDITIONAL.
Union and Intersection Calculator 2026
Compute set union A ∪ B, intersection A ∩ B, relative differences, and symmetric difference.
Percentage Calculator
Solve percent of X, percentage increase/decrease, and relative percentage changes.
Scientific Calculator
Online scientific calculator for trigonometry, logarithms, powers, and constants.
Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step simplification.
Algebra Equation Solver
Solve linear equations (ax + b = 0) and quadratic equations (ax² + bx + c = 0).
Geometry Calculator
Calculate area, perimeter, circumference, and volume for 2D and 3D shapes.