[TUHS] Etymology of bc(1)
cowan at mercury.ccil.org
Fri Sep 12 08:17:43 AEST 2014
Dave Horsfall scripsit:
> > I?d always heard ?binary calculator? but I don?t have a good reference
> > for that.
> I've heard "binary" because it used binary arithmetic (and limited
> precision), and "basic" because it was a lot simpler than "dc" (which I've
> always thought was "decimal" calculator due to it using arbitrary
> precision decimal arithmetic).
That can't be right. Bc was just an overlay to dc that parsed bc
language, compiled it into dc language, and fed dc from a pipe (all the
output was direct from dc). So the arithmetic capabilities were exactly
I note that bc first appeared just about when bas(1) disappeared, so
perhaps there is a connection in their names.
John Cowan http://www.ccil.org/~cowan cowan at ccil.org
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