➗ Algebra & Math Calculators
Algebra, geometry and everyday math with step-by-step working shown.
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RREF Calculator
Find the Reduced Row Echelon Form of a matrix with step-by-step row operations.
Open calculator →Discriminant Calculator
Find b² − 4ac and what it tells you about a quadratic's roots.
Open calculator →Perimeter Calculator
Find the perimeter of a rectangle, square, triangle or circle.
Open calculator →Simplify Radical Calculator
Reduce a square root to its simplest radical form, step by step.
Open calculator →Complex Number Calculator
Add, subtract, multiply or divide complex numbers with steps.
Open calculator →Elimination Calculator (2×2 System)
Solve a system of two linear equations by elimination.
Open calculator →Diagonal Calculator
Find the diagonal of a rectangle, square or box.
Open calculator →Special Right Triangles Calculator
Solve 45-45-90 and 30-60-90 triangles from one side.
Open calculator →Common Denominator Calculator
Find the least common denominator of two fractions and rewrite them.
Open calculator →Distributive Property Calculator
Expand a(bx + c) using the distributive property, step by step.
Open calculator →Octagon Calculator
Area, perimeter and width of a regular octagon from its side.
Open calculator →Centroid Calculator (Triangle)
Find a triangle's centroid from its three vertices.
Open calculator →Reflection Calculator (Coordinate)
Reflect a point over an axis or line, with the rule shown.
Open calculator →Dilation Calculator (Coordinate)
Scale a point from a center by a factor, with the rule shown.
Open calculator →Percentage Decrease Calculator
Find the percentage decrease between two values.
Open calculator →Sum Calculator
Add a list of numbers and get the sum, count and average.
Open calculator →Zeros of a Function Calculator
Find the zeros (roots) of a linear or quadratic function.
Open calculator →Simplify Calculator
Simplify an algebraic expression to its simplest form.
Open calculator →Polynomial Calculator
Expand, factor or solve a polynomial expression.
Open calculator →Factor by Grouping Calculator
Factor a four-term polynomial by grouping, with the factors shown.
Open calculator →Rational Expressions Calculator
Simplify a rational expression by cancelling common factors.
Open calculator →Quotient Rule Calculator
Differentiate a fraction of two functions with the quotient rule.
Open calculator →Trig Identities Calculator
Simplify a trigonometric expression using identities.
Open calculator →Inequality Calculator (Linear)
Solve a linear inequality for x, flipping the sign when needed.
Open calculator →Graphing Inequalities Calculator
Graph a linear inequality y ⋛ mx + b and shade the solution region.
Open calculator →Logarithm Calculator
Compute logarithms in any base — common (base 10), natural (base e) and custom base.
Open calculator →Factorial Calculator
Compute n! (n factorial) — the product of all positive integers up to n.
Open calculator →GCD Calculator
Find the greatest common divisor (GCD) of two or more numbers using the Euclidean algorithm.
Open calculator →LCM Calculator
Find the least common multiple (LCM) of two or more numbers.
Open calculator →Fraction Calculator
Add, subtract, multiply and divide fractions, with results simplified automatically.
Open calculator →Prime Number Calculator
Check if a number is prime, find its factors, or list primes up to a limit.
Open calculator →Significant Figures Calculator
Round a number to a chosen number of significant figures and identify which digits count.
Open calculator →Scientific Notation Calculator
Convert between standard decimal and scientific notation, and do math in scientific notation.
Open calculator →Matrix Determinant Calculator
Calculate the determinant of a 2×2 or 3×3 matrix with step-by-step calculation.
Open calculator →Matrix Inverse Calculator
Calculate the inverse of a 2×2 or 3×3 matrix with step-by-step working.
Open calculator →Quadratic Equation Calculator
Solve ax² + bx + c = 0 with the quadratic formula and step-by-step working.
Open calculator →System of Equations Calculator
Solve 2×2 system of linear equations with step-by-step elimination or substitution.
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