# DiffCalc — Differential Equation Calculator

> Free, step-by-step differential equation calculator with 600+ tools, solvers, and tutorials covering ODEs, PDEs, calculus, algebra, and linear algebra. Built on a client-side CAS (mathjs + Algebrite) with verified symbolic accuracy.

DiffCalc helps students and engineers solve and learn differential equations and broader math topics. Every solver returns a fully derived, step-by-step answer — no sign-up, no paywall.

## Pages

- [Differential Equation Calculator](/): Main calculator — solves first-order, second-order, linear, nonlinear, exact, Bernoulli ODEs, systems, and PDEs with steps.
- [Calculators](/calculators): Hub of 200+ free math calculators (derivatives, integrals, discriminant, chain rule, power series, more).
- [Solvers](/solvers): Specialized step-by-step solvers — first/second-order ODEs, exact, nonhomogeneous, systems, PDEs, IVPs.
- [Examples](/examples): Worked examples with full derivations.
- [Tutorials](/tutorials): Long-form tutorials on methods (separation of variables, Laplace transforms, variation of parameters, slope fields).
- [Solve](/solve): Direct answers to common problem queries.
- [Applications](/applications): Real-world applications of differential equations.
- [Learn](/learn): Foundational learning paths.
- [Glossary](/glossary): Definitions of key terms.
- [Author](/author): Salman Ali, M.Sc. Applied Mathematics — founder and content reviewer.
- [About](/about): About DiffCalc.
- [Embed](/embed): Generate embeddable iframes for teachers and bloggers.

## Optional

- [Contact](/contact)
- [Privacy Policy](/privacy-policy)
- [Terms](/terms)
- [Disclaimer](/disclaimer)