20 Jun
2013
20 Jun
'13
11:51 a.m.
FWIW, the choice of "R" *may* be short for "radix" (point) which is
what
that dot means to mathematicians. Often called the "decimal point" when
we're speaking about base 10. See: https://en.wikipedia.org/wiki/Radix_point
I'd never thought of that. I always assumed it was by analogy with
resistor values, but you might well be right.
-tony