Jinx wrote:
>>Negative sign and leading blank seem especially useful, but I've
>>never used one.
> 
> 
> Nor me, just the hex drivers. The - and blank would be useful.
> There must be a story behind the E H L P. Code B, still available
> in driver ICs, was around in the 80s so its origins must be at least
> 20 years ago
> 

er, uh, 70's, ya whippersnapper!
MD

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