Calculator square

This calculator will help to calculate the area of walls and floors in premises of various configurations, there are 19 types of premises.
Calculate the perimeter of baseboards, subtract window and door openings, calculates linear meters of slopes, the ability to make up to 9 sizes of Windows and doors, as well as the size of the balcony module.
Doing calculations with regard to future partition.
It is possible to save the size 9 in the bookmarks and the phone in the form of a text file with various notes and memos.
The ability to enter the dimensions in metres, centimeters and millimeters, feet and inches.
Periodically make updates improving the app or adding new features.