Hello,

I would be interested in the deduction from the derivate expressions, if can you still post or send me by email. I could then use it in particular for other applications.

Thanks a lot in advance.

Kind regards,

Tay

Hello Tay,

The derivation of the equations posted by Chari are in the Word document attached below.

Regards,

Ted.

I find this way of calculating screen efficiency much faster https://www.911metallurgist.com/blog/formula-to-calculate-a-classifier-and-screen-efficiency