Study tools
Free tools for ISC Class 12 that work a problem out the way the board marks it, step by step, each with real past questions to practise on. Nothing to sign up for.
Computer Science
- Boolean algebra solverSimplify any expression: the laws step by step, truth table, K-map and the logic circuit.
- Infix to postfix converterInfix to postfix or prefix with the stack table, and postfix evaluation step by step.
- Binary tree and BST toolBuild a binary search tree, rebuild a tree from two traversals, and get every traversal and fact.
Mathematics
- LPP solver (graphical method)Linear programming by the graphical method: the feasible region drawn, corner points and the optimum.
- Matrix inverse and equations solverDeterminant, minors, cofactors, adjoint and inverse; or solve equations by the matrix method.
- Regression lines calculatorBoth regression lines, b_yx, b_xy and r from data, summary sums or the two lines; with estimates.
- Probability distribution calculatorFind k, the mean, variance and standard deviation of a random variable, with the working table.
- 3D geometry and vectors calculatorPoints, vectors, lines and planes: distances, angles, foot and image, shortest distance, intersections.
Physics
- Circuit solver (Kirchhoff's laws)Every current, p.d. and power in a circuit of cells and resistors; equivalent resistance too.
- Lens and mirror calculatorImage distance, magnification and nature for any lens or mirror, with the ray diagram.
- Hydrogen spectrum calculatorWavelength, energy and series of a Bohr-model transition, with the energy-level diagram.
- Physics formula calculatorAbout 145 ISC Physics formulas: fill in what you know, with units, and get the rest.
Chemistry
- Chemical equation balancerBalance any equation, ionic and redox ones too, with the atom count on each side.
- Coordination complex analyserHybridisation, shape, magnetic moment, CFSE, isomers and the IUPAC name of a complex.
- Distinguish two organic compoundsThe chemical tests that tell two organic compounds apart, with what each one shows.
- IUPAC name to structureDraw the structure of an organic compound from its IUPAC name, with formula and functional groups.
- Molar mass calculatorMolar mass of any formula, hydrates too, with the working and percentage composition.
- Chemistry numericals calculatorSolutions, electrochemistry and kinetics formulas: fill in what you know and get the rest.