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Equation Solver

Solve linear, quadratic and symbolic equations or evaluate expressions instantly using mathjs — all offline.

  • Runs in your browser
  • No upload on server
  • Free, forever
  1. Add input
  2. Study
  3. Save / share
Enter an equation with = to solve, or an expression to evaluate.
How this works
  • Expressions are evaluated by mathjs directly in your browser. No network calls.
  • For equations, the solver brackets sign changes from −100 to 100 then bisects to refine each root.
  • Use functions like sqrt, sin, log, parentheses and constants like pi and e.

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