5 calculators in this category
- Linear Equation SolverLinear equation in one unknown; balance (equivalence) transformationsEnter the four numbers in ax + b = cx + d and this solver returns x as an exact fraction and as a decimal, substitutes it back…
- Quadratic Equation CalculatorQuadratic formula (Babylonian completing-the-square identity)Enter the three coefficients of ax ² + bx + c = 0 and this calculator returns both roots, the discriminant that decides whether…
- System of 2 Linear Equations CalculatorCramer's rule for a 2×2 linear systemTwo linear equations in two unknowns describe two straight lines, and solving the system means finding where they cross. Enter…
- System of 3 Linear Equations CalculatorCramer's ruleEnter the nine coefficients and three constants of a system in the form ax + by + cz = d and this calculator solves it by…
- Factoring Trinomials CalculatorAC method (grouping) with Gauss's lemma on primitive polynomialsEnter the three coefficients of ax ² + bx + c and this calculator factors it. It pulls out the greatest common factor first…
Which one do you need?
- Linear Equation Solver
- Solve any one-variable linear equation ax + b = cx + d. Get x as an exact fraction and a decimal, a substitution check, and the no-solution and identity cases.
- Quadratic Equation Calculator
- Solve any quadratic ax² + bx + c = 0 with the quadratic formula. Get real or complex roots, the discriminant, the vertex and the full worked steps.
- System of 2 Linear Equations Calculator
- Solve two linear equations in two unknowns by Cramer's rule. Get x, y, the determinant, and whether the lines meet, run parallel or lie on top of each other.
- System of 3 Linear Equations Calculator
- Solve three linear equations in three unknowns by Cramer's rule, with the determinant, a residual check and a verdict on inconsistent or dependent systems.
- Factoring Trinomials Calculator
- Factor ax² + bx + c into binomials with the AC method. See the factor pairs, the greatest common factor, the roots, and whether the trinomial is prime.