(Download) "I Used to Know That: Maths" by Chris Waring * eBook PDF Kindle ePub Free
eBook details
- Title: I Used to Know That: Maths
- Author : Chris Waring
- Release Date : January 15, 2012
- Genre: Mathematics,Books,Science & Nature,
- Pages : * pages
- Size : 7463 KB
Description
Brush up on your mental arithmetic, including percentages, averages and recurring decimals or work on your trigonometry skills, from Pythagoras Theorem to triangle areas and angles. "I Used To Know That: Maths" is a fun and accessible way to re-visit all those useful tips and maths tricks that you have forgotten from your school days.