Khmer Math Formula is a summary and collection of useful formulas for Vector, Distance, Surface, Volume, Sphere equation, Plan equation, Co-linear. It's useful for Khmer Grade 11 and 12.
Note: You need to have Khmer Unicode support in your phone.
Enjoy. ;)
![How to use sumif formula in excel [khmer] screenshot 1](https://i.ytimg.com/vi/HKA0L0IT4MU/mqdefault.jpg)
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