This guide encourages and instructs the reader how to use the Casio FX-115 calculator to solve math problems. Therefore, you are encouraged, but not required, to buy the Casio FX-115 calculator before purchasing this guide. You will find 14 different FE mathematics subject matter areas; with ample coverage of problem types you can expect on the FE. Between 5-10 exercise problems provided in each chapter, with multiple choice answers. The guide is applicable to Chemical, Civil, Electrical and Computer, Environmental, Industrial and Systems, Mechanical, and Other Disciplines FE exams. Topics include: Straight Lines, Progression and Series, Polynomials, Conic Sections, Mensuration, Trigonometry, Logarithms, Complex Numbers, Vectors, Matrices, Differential Calculus, Integral Calculus, Differential Equations, Gradient, Divergence, Curl, Discrete Math, Algorithm and Logic Development. Visit www.savvy.engineer for full solutions of all exercises.