The definitive guide to logarithm: its concept, its applications, its algebraic rules and its expansion into complex numbers.

A comprehensive guide into the Overshooting Method, and how to use it to find the antiderivatives of a wide range of integrals.

An in-depth guide into quadratic factorisation — from basic factoring techniques to AC method to quadratic formula and the general method.

An in-depth view into how the formula for the derivative of inverse is derived, and how to use it to find the derivative of a wide range of functions.

An exploration into the derivative of x^x and x^x^x, and the concept of tetration and other hyper-exponentiations.

How to determine the original investment amount solely from the interest amount — using algebra.