It is no secret that most people avoid mathematics, in large measure because elementary school teachers have never done much to motivate a love of the subject m
Is it possible to multiply 897589798678 x 999999999999 or divide 889576/ 9999 in less than 10 seconds? Get ready to amaze your friends, teachers, family and soc
Insane Number Hacks For Curious Adults And Daring Students! In this epic book, you’ll uncover 50 unbelievable ways you can manipulate numbers to solve equatio
Demonstrates a slew of time-saving tips and tricks for performing common math calculations. Contains sample problems for each trick, leading the reader through