This app enables you to calculate quick the surface area and perimeter of a circle and rectangle. You can also calculate the surface area and volume of a triangle. You choose the form and type in the needed figures (ex. a,b) and by clicking on the background you can choose which formula you would like to calculate. Very helpful for homework.
If you should find any bugs. please send an email and I will take care of it.
I will be happy to receive any feedback.