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Example usage I've seen: $x^2 / (y // z)$

Context: I recently started learning some fundamental electrical engineering, where I saw

I calculated the power doing $vs² / (r1 + ron + ron // ron+r2)$

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    $\begingroup$ Where did you see it? Can you give more context? e.g. if you found this in a python program, the // operator would mean to divide then round down to the nearest integer. e.g. 3//2 == 1. $\endgroup$
    – user14972
    Mar 31, 2012 at 9:05
  • $\begingroup$ It's electrical engineering related, not programming. I've updated my question. :) $\endgroup$
    – user50849
    Mar 31, 2012 at 9:16
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    $\begingroup$ allaboutcircuits.com/vol_1/chpt_7/2.html $\endgroup$
    – Peđa
    Mar 31, 2012 at 11:10

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In an electrical engineering context, I would guess that $a // b$ probably means the equivalent single resistance for 2 resistors in parallel of size $a$ and $b$, which is $\frac{ab}{a+b}$.

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  • $\begingroup$ This is also backed up by @pedja's comment to the question. Thanks. $\endgroup$
    – user50849
    Mar 31, 2012 at 13:32

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