Carpenters Quick Calculations play online

With this carpenters app you can:
Calculate optimal spacing of panelling boards.
Calculate the amount of materials you need to e.g. cover a deck, and save a shopping list.
Enter two values, and calculate the rest of the sides and angles in a trigonometric calculator.
Rapid division of slats, spindles, fences, etc.
Calculate width of last panel in roof panels, laminate, tiles, etc.
Measure angles with on-device gyroscope/accelerometers.