Advice to buy an HP
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04-19-2015, 09:34 PM
(This post was last modified: 04-19-2015 11:26 PM by Thomas Klemm.)
Post: #41
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RE: HP-80
(04-19-2015 09:15 PM)bshoring Wrote: For logarithms of other bases, you would use enter the base: To calculate logAB we could use the Δ% key: 1 SAVE↑ A Δ% i 1 PV B FV n (04-19-2015 09:15 PM)bshoring Wrote: So for a logarithm base 2 of 256, you take 2-1 * 100 ( or simply enter 100) and press i, 1 PV 256 FV and pressing n will yield 8. The Ln of 256 will still be in the Y-Register. That would then be: 1 SAVE↑ 2 Δ% i 1 PV 256 FV n Cheers Thomas |
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