Rule of three - Proportion Calculator
The "Proportion Calculator" is the first tool in the "mbar School Tools" series.
This App calculates proportions (direct or indirect), also known as "rule of three" by entering three known values and hitting "Calculate". The App will calculate the missing value for you!
A history of calculated values is kept and can be managed within the App.
- mbar School Tools are free to use, have no ads, and will mostly require no special permissions!
This App calculates proportions (direct or indirect), also known as "rule of three" by entering three known values and hitting "Calculate". The App will calculate the missing value for you!
A history of calculated values is kept and can be managed within the App.
- mbar School Tools are free to use, have no ads, and will mostly require no special permissions!
Category : Education
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Reviews (12)
Jit. K.
Oct 27, 2020
Perfect app. There is a my grocery shop, this app helps too. Very simple app. Only fix the rate and calculate how much you can...!
Moz. L.
Aug 19, 2020
Really clear and easy, and History Function. It is surprisingly good.
A. G. u.
Oct 27, 2019
awesome aap but try to add full solutions of calculated proportion of both direct and inverse proportions otherwise quite good i liked
Adi. M.
May 21, 2021
This is the best app. With the help of this app I'm able to get the results easily and quickly.
Dar. T.
Nov 21, 2020
Very good especially recent option which is useful for comparing different items... Thanks
A. G. u.
Feb 26, 2019
so well done so easy to use Thanks outstanding app
A. G. u.
Feb 3, 2019
Simple and Useful
F. B.
Feb 8, 2022
Handy and helpful
Sum. S.
Jan 1, 2022
Soooooooo Gooooooooooooood, app is this everyone should download this
Hid. D.
Aug 3, 2020
Easy to use
Pav. M.
Dec 18, 2020
Love history option.
Very practical, handy and easy to use app! I always use it in my kitchen, and as a pro at work, for accurate calculations! Well done!!!