New Updates Arrive for ProjectorCentral Calculator
Projection Distance
Something a little different. An Overhead Projector calculator. By Stokes Publishing Company but built to emulate the FX-300W and a couple of similar models. : r/calculators
NEW Web Projector Calculator- NEW Release 2.45 | AVS Forum
Recommend a Projection Calculator (Zoom + Lens Shift !!!) | AVS Forum
Best Projector calculator recommended for outdoor screenings – Big Screen Pro
Calculators for Overhead Projector
Casio OH-7700GB Overhead Projector Calculator Power Graphic TESTED WORKS | eBay