EXC/ x<>Rn for stack efficiency
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06-18-2017, 12:59 AM
Post: #39
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RE: EXC/ x<>Rn for stack efficiency
(06-17-2017 12:49 PM)Dieter Wrote: However, in this case the ->R function is not required, instead ->P does both calculations. Oops Quote:Since ->P x<>y is not shorter than a division and arctan (two steps in both cases) the only advantage of the ->P method may be that if the denominator is negative the returned angle is positive: arctan(1/–1) returns –45° while 1 ENTER –1 ->P yields +135°. There is also an advantage when the denominator is zero. This alone makes it worthwhile I think. Pauli |
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