Book Your Summer Shop NowBook Your Summer Shop Now

Painless Mental Math: Quick, Easy, and Useful Ways to Become a Human Calculator (Even If You Suck At Math)

eBook
$3.99
Membership Card Icon

Collect stamps to save with Rewards. 10 stamps = $5. Learn More

Select a store to view item availability.

Available on compatible , the free NOOK App, and in My Digital Library

NOOK App

Download NOOK app

NOOK Devices

NOOK eReaders

  • NOOK GlowLight 4 Plus
  • NOOK GlowLight 4e
  • NOOK GlowLight 4
  • NOOK GlowLight Plus 7.8"
  • NOOK GlowLight 3
  • NOOK GlowLight Plus 6"

NOOK Tablets

  • NOOK 9" Lenovo Tablet
  • NOOK 10" HD Lenovo Tablet
  • NOOK Tablet 7" & 10.1"
  • NOOK by Samsung Galaxy Tab 7.0 [Tab A and Tab 4]
  • NOOK by Samsung [Tab 4 10.1, S2 & E]

Free NOOK Reading Apps

  • NOOK for iOS
  • NOOK for Android

BN.com website

Go to your Digital Library in My Account

Stop fearing math - tips and tricks to ditch the calculator and never make embarrassing errors again.



Mental math is not as hard as you think it is. Well, the way you’ve been doing it is probably pretty difficult, but there’s a better, simpler way.


Easily calculate: tax, tips, discounts, weights, conversions, and meaurements.



Painless Mental Math is a shortcut to understanding how math really works - far differently from your childhood textbooks. It will give you techniques to use math in ...