HP 30b programs Interest Rate conversions Negative Periods per Year and Fractional Periods per year « Next Oldest | Next Newest »

 ▼ Gene Wright Posting Freak Posts: 1,545 Threads: 168 Joined: Jul 2005 05-02-2011, 02:53 PM These programs allow the use of negative values for "Periods per year" when converting interest rates. They also allow the use of fractional periods per year. End of period compounding assumed. First program: Computing the effective rate. Inputs: Nominal rate, =, number of periods. ```/ Ans ) Swap 1 + ) Swap Y^X 1 - Shift+Stop ``` When run from the program catalog, key 0.1224 = 2 +/- = = Result shown is 0.1346 2nd program: Effective rate to nominal rate. Inputs: Effective rate, =, number of periods. ```= = shift+UP 1 + ) Swap 1/x Y^X 1 - * Shift+STOP ``` Inputs: 0.1346 = 2 +/- = = Outputs 0.1224 Inputs: 0.1346 = 360 = 210 / = Outputs: 0.1310 Edited: 2 May 2011, 3:15 p.m. ▼ Bart (UK) Posting Freak Posts: 850 Threads: 10 Joined: Mar 2009 05-03-2011, 11:25 AM Hi Gene, Are you going to put it in the articles area? That will make it easier to find in future :). Thanks edit: I see it's there now, thanks. Edited: 4 May 2011, 7:07 a.m.

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