Hi does anyone know of a pre-calc program/software that can be downloaded.
I am after one that gives the centre sub as well as the edge subs on the 180/90 meridians. Our own sufacing program just gives the ct. I did have my own on my lap-top but it crashed and I lost Excel.
Check in here, there's a ton of good stuff: http://www.optiboard.com/forums/foru...File-Directory
Also, this site: http://www.opticampus.com/tools/calculators.php
There are rules. Knowing those are easy. There are exceptions to the rules. Knowing those are easy. Knowing when to use them is slightly less easy. There are exceptions to the exceptions. Knowing those is a little more tricky, and know when to use those is even more so. Our industry is FULL of all of the above.
Hi thanks Wfruit have tried there before but no luck what i was hoping for is something like Essilors pre cal
anyhow thanks for trying
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