This calculator will calculate the area of walls and floors in rooms of various configurations, there are 20 types of premises. Makes calculated based on future partitions. Calculate the perimeter for baseboards, subtract window and door openings, calculates linear metres of slopes, the ability to make sizes up to 9 doors and Windows, and balcony module (window+door), Your choice considers and does not consider the slope. The ability to add 20 types of own works which are not in the program. There is a possibility to make discounts and allowances cost of the work without changing the prices in the program. Have the ability to save size in the phone as a text (. txt) file with various notes and notes and web page (html) to display the table. Send by email. Ability to enter dimensions in meters, centimeters and millimeters. There are horizontal and vertical interface. Translation into 11 languages. Periodically make updates improving the app or adding new features.