Mental Calculation training App

This App have 9 Mental Math training exercises.

1. Flash-Anzan
2. Mental Calendar
3. Hectoc (Yusnier Viera Idea)
4. Sum 100 digits
5. Multiplication 2 to 25 digits
6. Add ten numbers of then digits
7. Subtraction
8. Squares (2, 3, 4, 5 digits)
9. Square Root (6 digits)

You can mix all exercises, and see the history of results. In the future the App will have more training modules from Mental Calculation World Cup

All exercises

Multiplication 8 digits.

Proof of Work:

files:
https://github.com/vernetit/mentalMath/blob/master/index.html
https://github.com/vernetit/mentalMath/blob/master/js/em2.coffee

Changes

This App was part of other Big Mental Training App. Now the Math Module is a standalone Application
Adapting from PHP to run in electron.
English Translation
Cleaning of more than 2000 lines of code.

Thanks!