I am studying Martin's formula of tilt. I believe I understand it fine, but my calculator doesn't. This is rather embarassing to even admit, but my error most likely lies in how I am entering things in my calculator. Before I go absolutely insane from frustration, I just want to know if I at least have the mathematical concepts correct. every time I put this in my calculator in any sequence, I get an error message.
The example question is what is the effect ofa -10.00 D sph lens that has 10 degrees of excess panto....
Would it be 1+sin^2(10-the amount of excess tilt)/3 multiplied by 10.00 ( the power of the lens)??
I realize that some my scoff at the idea of someone dealing with this formula with out having control of thier calculator..but I don't care. I'm frustrated and I frankly am at my wit's end.:hammer:
Thank you in advance for any light you can shed on this for me!
Thank you
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