Who wouldn't like to master math naturally, being able to do perform mental calculation without the help of a calculator?
If you had to calculate the square of 115 in a few seconds what would you answer? Or the product 238x5, or even the square of 76? With this guide you will become masters of fast mental calculation, you will surprise your friends with your skills and you will be astonished when you discover that reaching apparently impossible goals can be achieved with very little effort.
Fast Math: Learn the Secrets of Mental Math: By Using Vedic Math and Other Math Tricks to Perform Mental Calculations from Multiplication to Percentages without Calculators
Mental Math: How to Develop a Mind for Numbers, Rapid Calculations and Creative Math Tricks (Including Special Speed Math for SAT, GMAT and GRE Students)
Mental Math: How to Develop a Mind for Numbers, Rapid Calculations and Creative Math Tricks (Including Special Speed Math for SAT, GMAT and GRE Students)