- 16 different calculators for repair and construction. - Supports metric and British systems of notation. - Full scientific calculator. - Send calculations and input data by e-mail. - Universal app for iPhone and iPad. - Synchronize your projects between all your devices. CalcBook is a set of precise and functional calculators for construction and repair. To help you save money and time. - Calculator tiles on walls and floor - Calculator wallpapers - Calculator laminate - Calculator linoleum - Calculator PVC panels - Calculator metal profile - Lumber calculator - Drywall calculator - Calculator blocks - Calculation of the composition of concrete and masonry mortar - Calculator foundation - Calculator deck flooring - Paint calculator - Calculator plaster and putty - Trench calculator - Engineering calculator We would be grateful for any comments and suggestions that will make our app more useful, convenient and effective. Stay tuned!