초등수학 도우미

I know the calculation formula, but if it's troublesome to calculate, use this app!
Elementary math helper !!

Addition, subtraction, multiplication, and division are all in the calculator!
Easily get the mineral water! You can also change ㎡ to a, ha, ㎢!
Quickly find percentages and ratios by ratio and ratio
Find the area and circumference of the circle only with the diameter of the circle!
 
Also, when there is no paper, you can calculate the horizontal expression (multiplication, division)!

Now, do not count with the complicated head, but if you know what the principle is, do it with this app!
App Thumbnail Production-Chalk's FlatGen