PCs supporting W7 in 2019

Recommendations for W7 pcs to support legacy software.

Video - How to Draw an Optical Diagram
Simple video showing how to draw an optical diagram (Ircon cone of vision) Can be useful for devices not in the spot size calculator (specials)
Fri, 11 Dec, 2020 at 2:48 PM
Windows 7 pc recommendations
Microsoft is providing Extended Support for Windows 7 (if SP1 is installed) up to January 14th 2020. This means that they will continue to provide patches f...
Wed, 6 Feb, 2019 at 3:32 PM