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Both calculators run independently — change the inputs on either side to compare results.

Quadratic Formula Solver

Solve any quadratic equation of the form ax² + bx + c = 0 instantly. Use this when factoring is difficult or impossible and you need exact roots fast.

Coefficient a (x²)

Coefficient b (x)

Constant c

Solution Type

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Algebra

Linear Inequality Solver

Solve linear inequalities of the form ax + b < c (or ≤, >, ≥) and express the answer as an interval or number line. Use it when solving algebraic inequalities in coursework or real-world constraint problems.

Coefficient of x

Constant Term

Right Side Value

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Key differences

	Quadratic Formula Solver	Linear Inequality Solver
Category	Algebra	Algebra
Inputs required	4	3
Result	Root Value	Solution Boundary
What it does	Solve any quadratic equation of the form ax² + bx + c = 0 instantly. Use this when factoring is difficult or impossible and you need exact roots fast.	Solve linear inequalities of the form ax + b < c (or ≤, >, ≥) and express the answer as an interval or number line. Use it when solving algebraic inequalities in coursework or real-world constraint problems.