Review of Engineering and Advanced Engineering Mathematics by K.A. Stroud.
It's a great book covering calculus (derivatives, differentiation and integrals integration), differential equations, linear algebra, vectors, matrices, algebra, precalculus and many other topics. It contains many examples and tutorials giving step by step guides on how to do maths.
You can buy it from Amazon https://amzn.to/2CD5FXT (affiliate link)