Free, instant calculators for PUC (Class 11 & 12) and Engineering Mathematics — quadratics, matrices, calculus, numerical methods and more. Every tool shows its working, not just the answer, so you can check it by hand too.
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- Set Operations Calculator — union, intersection, difference
- Quadratic Equation Solver — roots, discriminant, root type
- Complex Number Calculator — add, subtract, multiply, divide, polar form
- Permutation & Combination Calculator — nPr, nCr, factorials
- Binomial Expansion Calculator — full (x+y)ⁿ expansion
- AP & GP Calculator — nth term and sum
- Slope & Line Equation Calculator
- Circle Equation Calculator — both directions
- Trig Ratio Calculator — all six ratios, any angle
- Degrees ↔ Radians Converter
- Mean, Median, Mode & SD Calculator
- Probability Calculator — single & combined events
- Matrix Calculator — add, subtract, multiply
- Matrix Transpose Calculator
- Matrix Determinant Calculator — 2×2 & 3×3
- Matrix Inverse Calculator — 2×2 & 3×3
- Vector Calculator — dot product, cross product, magnitude
- Polynomial Derivative Calculator — power rule, any degree
- Polynomial Integral Calculator — indefinite & definite
- 3D Distance & Section Formula Calculator
- Bayes’ Theorem Calculator
- Tangent & Normal Line Calculator
- Maxima & Minima Calculator
- Linear Programming Solver
Engineering Mathematics
- Newton-Raphson Method Calculator
- Bisection Method Calculator
- Trapezoidal Rule Calculator
- Simpson’s 1/3 Rule Calculator
- Eigenvalue & Eigenvector Calculator
More calculators — derivatives, integrals, Laplace transforms, numerical methods and more — are being added regularly.