➕ Algèbre
Free algebra calculators and tools.
System of Equations Calculator
Solve 2x2 systems of linear equations instantly. Enter coefficients and get x and y solutions using
Elimination Method
Solve systems of equations using the elimination method. Enter coefficients, get x and y, see the pr
Substitution Method
Solve systems of equations using substitution. Enter two equations, get x and y values instantly. Fr
Partial Fraction Decomposition
Decompose rational functions into partial fractions instantly. Enter numerator and denominator roots
Multiplying Polynomials
Multiply two binomials instantly. Enter coefficients, get the expanded polynomial. FOIL method autom
Adding and Subtracting Polynomials
Add or subtract two quadratic polynomials instantly. Enter coefficients, get the result. Simple, acc
Direct Variation
Solve direct variation problems: y = kx. Enter one pair (x₁, y₁) and a new x, get k and the correspo
Inverse Variation
Solve inverse variation problems: y = k/x. Enter one pair (x₁, y₁) and a new x, get k and the corres
Interval Notation
Convert between interval notation and inequalities. Enter bounds and inclusivity, get [a, b], (a, b]
Graphing Inequalities
Graph linear inequalities: y < mx + b, y ≥ mx + b, etc. Enter slope and intercept, get boundary line
Vertex Form
Convert quadratic from standard (ax² + bx + c) to vertex form a(x − h)² + k. Get vertex coordinates
Slope Intercept Form
Find the equation of a line in slope-intercept form. Enter slope and intercept, or two points. Get y
Point Slope Form
Convert to point-slope form instantly. Enter slope and a point to get y - y₁ = m(x - x₁), plus slope
Standard Form to Slope Intercept
Convert linear equations from standard form Ax + By = C to slope-intercept form y = mx + b. Get slop
Y-Intercept Calculator
Calculate the y-intercept from slope and a point, or from two points. Get the full equation y = mx +
Parallel Line Calculator
Find the equation of a line parallel to a given line through a specific point. Enter reference line
Perpendicular Line Calculator
Find the equation of a line perpendicular to a given line through a specific point. Slopes multiply
Line Equation from Two Points
Find the equation of a line from two points. Get slope-intercept, point-slope, and standard form ins
Intersection of Two Lines
Find where two lines intersect. Enter coefficients in Ax + By = C form and get the intersection poin
Absolute Value Calculator
Calculate the absolute value of any number instantly. Enter positive or negative numbers and get the
Inequality Solver
Solve linear and algebraic inequalities instantly. Enter your inequality and get the solution set wi
Rational Zeros Calculator
Find all possible rational zeros of a polynomial using the Rational Root Theorem. Enter coefficients
Descartes' Rule of Signs
Apply Descartes' Rule of Signs to determine possible numbers of positive and negative real roots. En
Cramer's Rule Calculator
Solve 2×2 systems of linear equations using Cramer's Rule. Enter coefficients and get x and y values
Binomial Expansion Calculator
Expand binomials to any power using the Binomial Theorem. Enter (a+b)ⁿ and get the full expansion wi
Square of a Binomial
Expand the square of a binomial using the formulas (a+b)² = a² + 2ab + b² and (a-b)² = a² - 2ab + b²
Multiplying Binomials
Multiply two binomials using the FOIL method. Enter coefficients and get the product in standard for
Perfect Square Trinomial
Check if a trinomial is a perfect square and factor it instantly. Enter coefficients for ax² + bx +
Polynomial Roots Calculator
Find the roots (zeros) of polynomials up to degree 10. Enter coefficients and get real or complex so
Exponent Rules Calculator
Apply exponent rules instantly: multiply, divide, or raise powers. Simplify expressions step-by-step
Simplify Expression Calculator
Simplify algebraic expressions by combining like terms. Enter any expression and get the simplified
Solve for X Calculator
Solve linear equations for x instantly. Enter coefficients and constants to find the value of x. Han
Quadratic Inequality Calculator
Solve quadratic inequalities and find solution intervals. Enter coefficients and inequality type to
Exponential Equation Calculator
Solve exponential equations using logarithms. Enter the base, exponent expression, and result to fin
Radical Equation Calculator
Solve equations with radicals (square roots, cube roots, nth roots). Enter the radicand expression a
Simplifying Radicals Calculator
Simplify square roots, cube roots, and nth roots. Enter the radicand and root index to extract perfe
Rationalize Denominator Calculator
Rationalize denominators by eliminating radicals. Enter fractions with square roots or binomials in
Complex Root Calculator
Calculate square roots, cube roots, and nth roots of complex numbers. Enter real and imaginary parts
Hyperbolic Functions Calculator
Calculate hyperbolic sine, cosine, tangent, and their reciprocals. Enter a value and choose the func
Quaternion Calculator
Perform quaternion operations: addition, multiplication, conjugate, and magnitude. Enter quaternion
Square Root Calculator
Calculate square roots and nth roots instantly. Enter any number and get precise results. Includes v
Cube Root Calculator
Calculate the cube root of any number, positive or negative. Enter a value and get the real cube roo
Nth Root Calculator
Calculate the nth root of any number. Enter a value and the root degree (n) to get the result instan
Factorial Calculator
Calculate the factorial of any non-negative integer. Enter n and get n! along with the full multipli
Prime Factorization Calculator
Find the prime factorization of any integer instantly. Enter a number and see its prime factors and
Rounding Calculator
Round any number to a specified number of decimal places or to the nearest ones, tens, hundreds, etc
Modulo Calculator
Calculate modulo (mod) for any two integers. Get the remainder and quotient instantly. Essential for
Remainder Calculator
Calculate the remainder from dividing any two numbers. Get quotient, remainder, and decimal result.
Weighted Average Calculator
Calculate weighted averages with different importance levels. Enter values and weights to get the we
Geometric Mean Calculator
Calculate the geometric mean of any set of positive numbers. Compare with arithmetic mean. Essential
Harmonic Mean Calculator
Calculate the harmonic mean of any set of positive numbers. Perfect for average speed, rates, and ra
Root Mean Square Calculator
Calculate the root mean square (RMS) of any set of numbers. Essential for electrical engineering, ph
Reciprocal Calculator
Calculate the reciprocal (multiplicative inverse) of any number. Enter a value and get 1/x instantly
Distributive Property Calculator
Apply the distributive property to expand or factor algebraic expressions. Enter a, b, and c to see
Order of Operations Calculator
Solve math expressions using proper order of operations. Enter any expression and see step-by-step P
Cross Multiplication Calculator
Solve proportions using cross multiplication. Enter three values and find the fourth instantly. Perf
Absolute Value Equation Calculator
Solve absolute value equations instantly. Enter coefficients to find both solutions for equations in
Absolute Value Inequality Calculator
Solve absolute value inequalities with less than or greater than. Get interval notation solutions fo
Completing the Square Calculator
Complete the square for any quadratic equation. Convert ax²+bx+c to vertex form a(x-h)²+k and find s
Complex Number Calculator
Perform operations with complex numbers. Add, subtract, multiply, and divide numbers in the form a +
Cubic Equation Solver Calculator
Solve cubic equations of the form ax³+bx²+cx+d=0. Find all three roots (real and complex) using Card
Discriminant Calculator
Calculate the discriminant b²-4ac to determine the nature of roots for any quadratic equation ax²+bx
Factoring Trinomials Calculator
Factor trinomials of the form ax²+bx+c instantly. Enter coefficients a, b, and c to get the fully fa
FOIL Calculator
Use the FOIL method to multiply two binomials. Enter coefficients for (a1x+b1)(a2x+b2) and get the e
Synthetic Division Calculator
Perform synthetic division of polynomials quickly. Enter coefficients and the divisor to get the quo
Polynomial Long Division Calculator
Divide any two polynomials using long division. Enter coefficients for the dividend and divisor to g
Equivalent Fractions Calculator
Calculate equivalent fractions quickly and accurately. Enter your values and get instant results wit
Simplify Fractions Calculator
Calculate simplify fractions quickly and accurately. Enter your values and get instant results with
Adding Fractions Calculator
Calculate adding fractions quickly and accurately. Enter your values and get instant results with th
Subtracting Fractions Calculator
Calculate subtracting fractions quickly and accurately. Enter your values and get instant results wi
Multiplying Fractions Calculator
Calculate multiplying fractions quickly and accurately. Enter your values and get instant results wi
Dividing Fractions Calculator
Calculate dividing fractions quickly and accurately. Enter your values and get instant results with
Mixed Number Calculator
Calculate mixed number quickly and accurately. Enter your values and get instant results with this f
Improper Fraction To Mixed Number Calculator
Calculate improper fraction to mixed number quickly and accurately. Enter your values and get instan
Decimal To Fraction Calculator
Calculate decimal to fraction quickly and accurately. Enter your values and get instant results with
Fraction To Decimal Calculator
Calculate fraction to decimal quickly and accurately. Enter your values and get instant results with
Comparing Fractions Calculator
Calculate comparing fractions quickly and accurately. Enter your values and get instant results with
Fraction Exponent Calculator
Calculate fraction exponent quickly and accurately. Enter your values and get instant results with t
Least Common Denominator Calculator
Calculate least common denominator quickly and accurately. Enter your values and get instant results
Unit Rate Calculator
Calculate unit rate quickly and accurately. Enter your values and get instant results with this free
Long Division With Steps Calculator
Calculate long division with steps quickly and accurately. Enter your values and get instant results
Long Multiplication Calculator
Calculate long multiplication quickly and accurately. Enter your values and get instant results with
Standard Form Calculator
Calculate standard form quickly and accurately. Enter your values and get instant results with this
Percent To Fraction Calculator
Calculate percent to fraction quickly and accurately. Enter your values and get instant results with
Fraction To Percent Calculator
Calculate fraction to percent quickly and accurately. Enter your values and get instant results with
Rationalizing The Denominator Calculator
Calculate rationalizing the denominator quickly and accurately. Enter your values and get instant re
Difference Of Squares Calculator
Calculate difference of squares quickly and accurately. Enter your values and get instant results wi
Radical Equation Calculator
Calculate radical equation quickly and accurately. Enter your values and get instant results with th
Arithmetic Sequence Sum Calculator
Calculate arithmetic sequence sum quickly and accurately. Enter your values and get instant results
Geometric Sequence Sum Calculator
Calculate geometric sequence sum quickly and accurately. Enter your values and get instant results w
Piecewise Function Calculator
Calculate piecewise function quickly and accurately. Enter your values and get instant results with
Scientific Online Calculator
Calculate scientific online quickly and accurately. Enter your values and get instant results with t
Equation Solver Calculator
Calculate equation solver quickly and accurately. Enter your values and get instant results with thi
Logarithm Calculator
Calculate logarithm quickly and accurately. Enter your values and get instant results with this free