Algebra calculators

Factoring, expanding, simplifying and solving.

Add and Subtract Binomials Calculator with Steps

Add or subtract two binomials and get the combined result, with the sign change for subtraction and like terms grouped for you.

Add the Proper Constant to the Binomial Calculator

Find the constant that makes x² + bx a perfect square trinomial. This is the key step in completing the square, shown with exact fractions.

Adding Binomials Calculator: Add Two or Three Binomials

Add two or three binomials in one step. The calculator groups the like terms and gives the simplified sum.

Adding Machine vs Calculator: Tape Total With Running Sum

Add a list of numbers the way an adding machine does, with a running total on a tape, and see how that differs from a standard calculator.

Area Model Calculator for Multiplication and Binomials

Draw the area model for a multiplication problem and see each partial product before they are added.

Area Model Multiplication Calculator With Estimate Check

Multiply large numbers with the area model, see each row of the grid and check the answer against a quick estimate.

Binomial Expansion of (1 + x)^n Calculator With Steps

Expand (1 + x)ⁿ for any n: a finite expansion for whole numbers and an infinite series for fractional or negative powers.

Multiply Radical Binomials Calculator With Steps

Multiply binomial radical expressions and get the answer in simplest radical form. Every partial product is shown, with perfect squares pulled out and like radicals combined.

Binomial Squared Calculator: Expand (a + b)² With Steps

Square any binomial and see the three parts of the answer: the first term squared, twice the product, and the last term squared.

Distributive Property Calculator: Expand and Multiply

Expand a product with the distributive property, from a single factor times a bracket to two full polynomials.

Domain and Range of a Parabola Calculator With Steps

Find the domain and range of a parabola in interval notation. Works for parabolas that open up or down, and for ones that open left or right.

Doubling Time Calculator: From Growth Rate, Two Values, or Rule of 70 and 72

Find how long it takes for something to double at a steady growth rate, or work out the growth rate from a known doubling time. It also covers population, investments, cases and bacteria.

Equation of the Line That Passes Through the Points Calculator

Find the equation of the line that passes through two points. You get slope-intercept, point-slope and standard form, plus intercepts, distance and midpoint.

Exponential Decay Model Calculator: k, Half-Life and Time

Build an exponential decay model from a decay constant, a half-life or two measurements, and use it to predict.

Factoring Binomials Calculator With Steps

Factor any two-term expression such as 9x² − 25 or 8x³ + 27, with the pattern used and every step.

Linear Equations With Distribution Calculator With Steps

Solve a linear equation that needs the distributive property, with every step from distributing to checking.

Multiply Binomials by Polynomials Calculator With Steps

Multiply a binomial by any polynomial. The calculator lists every partial product, then adds like terms to give the final expanded answer.

Multiplying Binomials With Fractional Coefficients

Multiply two binomials whose coefficients are fractions. You get each FOIL product as an exact fraction, then the combined answer in lowest terms.

Range of a Function Calculator With Domain and Steps

Find the range of a function in interval notation, with the vertex, the domain used and a graph.

Rearrange Equations Calculator: Make Any Variable the Subject

Rearrange a formula to make any variable the subject, see each algebra step, and calculate the answer from known values.

Simplify Expressions with Distribution Calculator (Step by Step)

Simplify any expression that needs the distributive property. See each bracket distributed, then like terms combined into the final answer.

Square of a Binomial Calculator: (a + b)² With Steps

Square a binomial such as (3x + 5)² with every step, or check whether a trinomial is a perfect square.

Squaring a Binomial Calculator (Simple and Two-Variable)

Square a binomial with one or two variables. Enter the two terms and see the three parts of the answer worked out separately.