This is a coloring book that will introduce you to all the basic
arithmetic facts using The Human Calculator Matrix. - You will
need 10 colored pencils for the exercises. Suggested colors are
black, red, blue, pink, green, orange, violet, yellow, brown,
and gray. Discover all the patterns that will make you feel like
a mathlete and a human calculator. The Turn on The Human
Calculator in You Answer Guide is available at the link on this
page. Turn on The Human Calculator in You The Human Calculator
will make math fun and easy, by helping you to visualize
patterns in numbers by looking at them on a matrix grid.