Adapting 'Accurate' TVM routine on HP-15C (and HP-34C) using MISO Technique
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01-05-2014, 05:43 PM
Post: #12
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RE: Adapting 'Accurate' TVM routine on HP-15C using MISO Technique
(01-05-2014 04:55 PM)Jeff_Kearns Wrote: Where did you get your figures for the 15C? They do not match my results. Agreed: I had for some reason E (register 6) set to 1. Quote:Neither the 15C LE nor the 15C Classic are capable of calculating the i%. The 15C LE flashes 3.015... E 94 and the Classic went on for 20 minutes before I stopped it. Did you set I = 2? I used 3e-7 and 4e-7 as initial guesses and now I get: 3.170979158e-7 Quote:In the case of the Yield from a Risky Investment example, both the 15C LE and Classic models gave the correct true i% (although the correct numbers will flash in the LE display if one does not provide a suitable initial guess for i% in register 2). The 32sii gives the correct result for i% in all cases. Darn. Here I must have used FV := $ 1,000,000 instead of FV := $ 100,000,000. Thanks for checking. I'll adjust my post accordingly. Quote:The 'riot' vs 'not' typo in the 32sii manual only seems to have crept in in edition 5. Edition 4 is correct.Maybe they had to scan the document and used an OCR-program? Best regards Thomas |
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