Volume: It is used to calculate the volume of a space (e.g. room, warehouse, office)
Επιφανείας: It is used to calculate the area (m²) of a flat surface, such as a wall, floor, ceiling, or window.
Triangle: It is used to calculate areas or distances that form a triangle, not necessarily a right triangle.
Pythagorean: Allows you to calculate a length (usually height or distance) that cannot be measured directly with the laser, by measuring two or three other distances that form a right triangle.