➗ Algebra & Math Calculators
Algebra, geometry and everyday math with step-by-step working shown.
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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 →RREF Calculator
Row-reduce a matrix to reduced row echelon form, step by step.
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.
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