On Tuesday 03 April 2001 17:19, you wrote:
> Brad Maloney wrote:
> > Hi,
> > My Name is Brad Maloney and I have been lurking for quite a while on
> > this list. At any rate for a diversion and excercise I am playing
> > around with coding a QBasic-like program from scratch, but I am hung
> > up on the fomula that "figures" half step increments in MgHz.. I have
> > so far created several scales & temperments but none that are "Well
> > Tempered"
> >     Even if you don't have the formula if you could forward a table
> > of A 440 chromaticaly through a 880 it would be a great help. with
> > those figures I can find the formula..
> > Thanks in advance, Brad Maloney [EMAIL PROTECTED]

> Step semitones by a factor of 2 to the 1/N power (up and down from A =
> 440 Hz (usually); N usually 12. What are MgHz? Hz and KHz are more
> appropriate for ears.

N *exactly* 12, in fact.

To go up a semitone, multiply by 2^(1/12) (or pow(2,1/12) in Basic).
-- 
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