Difference Equations: Theory, Applications and Advanced Topics, Third Edition, Edition 3

The Trachtenberg Speed System of Basic Mathematics

Advances In The Applications Of Nonstandard Finite Difference Schemes

Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks

Mathematics for the Physical Sciences

Mathematical Modelling with Differential Equations

Short-Cut Math

Introduction to Qualitative Methods for Differential Equations

A Friendly Introduction to Differential Equations

Truly Nonlinear Oscillations: Harmonic Balance, Parameter Expansions, Iteration, And Averaging Methods

Quicker Approach to Quantitative Aptitude: Personal Notes of Sizil Krishna

Nonstandard Finite Difference Models Of Differential Equations

Advanced Abacus: Theory and Practice

Before Machine Learning Volume 2 - Calculus for A.I: The Fundamental Mathematics for Data Science and Artificial Intelligence

A Beginner's Guide to Constructing the Universe: The Mathematical Archetypes of Nature, Art, and Science

An Introductory Course in Elementary Number Theory

The Magic of Math: Solving for x and Figuring Out Why