Looking for TVM formulas
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04-01-2014, 08:01 PM
(This post was last modified: 04-01-2014 08:30 PM by Dave Britten.)
Post: #10
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RE: Looking for TVM formulas
(04-01-2014 07:37 PM)Jeff_Kearns Wrote: Only if you are content with inevitable rounding errors. Take a look at p. 180 of the HP-15C Advanced Functions Handbook for an example: Oh yes, I neglected to mention I was using the substitution you recommended for (1 + i)^n. I'll have to take a stab at implementing ln(1+x) as well, I suspect. EDIT: Sweet, that was pretty easy. I'm now getting FV = -333,783.3499506 when I calculate the Susan problem. My 48SX Equation Library card returns -333,783.349948. I'm fine with that incredibly small error (I suspect the 48 is using extended reals in SysRPL for greater accuracy). |
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