The app calculates the lens factor based on screen size and projector distance. It also determines screen size or projector distance when lens factors are known.
by Bart van Stiphout★ 5.02 ratingsProductivity$1.99Data updated 2026-09-14
Calculate the using inputs for the longest side, shorter side, or combined length. Perform instant calculations with support for up to 16 decimal places and various units. Copy results to another and view the formula as a reference.
Calculate the difference between current and desired sizes based on rim input. Provide explanations on why significant differences should be avoided. Allow users to enter manufacturer-recommended sizes for comparison.
The app calculates starting speed and feed recommendations based on user selections. Users choose operations, materials, and cutting styles to receive tailored data.