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By Hadron Solutions

This app is only available on the App Store for iOS devices.


Do you want to do quick calculations for large numbers ? Are you getting less grades in maths ? Do you work in financial business ? Do you want to be a trader ?

If YES, this is the perfect app for you !

This app contains great tricks to do calculations such as multiplication, squaring, division, subtraction, addition easily and quickly. Use this app as a pocket guide to improve your calculation skills. Boast and show your newly acquired skills to friends and colleagues !

The app also contains quiz to practice and test your skills. So go head buy the app, learn the tricks and practice your newly acquired skills !

Trick : Multiplication by 6

1.Add half of the neighbor to each digit.
2.If the starting digit is odd, add 5.

6 × 357 = 2142

Working right to left,
7 has no neighbor, add 5 (since 7 is odd) = 12. Write 2, carry the 1.

5 + half of 7 (3) + 5 (since the starting digit 5 is odd) + 1 (carried) = 14. Write 4, carry the 1.

3 + half of 5 (2) + 5 (since 3 is odd) + 1 (carried) = 11. Write 1, carry 1.

0 + half of 3 (1) + 1 (carried) = 2. Write 2.

What's New in Version 2.1

Minor bug fixes.


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This app is designed for both iPhone and iPad
  • Free
  • Category: Education
  • Updated:
  • Version: 2.1
  • Size: 19.0 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch.

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