A Program for Converting Interest and Discount Rates on HP12C MacDonald Phillips Unregistered Posts: 13 Threads: 1 Joined: Jul 2007 05-03-2008, 10:21 AM The following program will convert any interest or discount rates to any other interest or discount rate, including continuous rates. 001 STO 0 002 R-DOWN 003 STO 1 004 g x=0 005 g GTO 015 006 EEX 007 2 008 x (times) 009 / (divide) 010 1 011 + 012 RCL 1 013 Y^x 014 g GTO 020 015 R-DOWN 016 EEX 017 2 018 / 019 g e^x 020 RCL 0 021 g x=0 022 g GTO 033 023 1/x 024 Y^x 025 1 026 - 027 RCL 0 028 EEX 029 2 030 x 031 x 032 g GTO 000 033 R-DOWN 034 g LN 035 EEX 036 2 037 x 038 g GTO 000 To use the program simply enter the interest rate, it's compounding periods, and the compounding periods you want to convert to and press R/S. If you are converting from or to a discount rate, enter the compounding period as a negative number. If you are coverting from or to a continous rate, enter 0 as the compounding periods. Example 1: 10% interest rate, compounded monthly to the equivalent rate compounded semi-anually. 10 ENTER 12 ENTER 2 R/S Ans: 10.21066220 Example 2: 8% discount rate, compounded monthly to the equivalent interest rate compounded quarterly. 8 ENTER 12 CHS ENTER 4 R/S Ans: 8.107864000 Example 3: 7% interest rate, compounded continuously, to the equivalent interest rate compounded monthly. 7 ENTER 0 ENTER 12 R/S Ans: 7.020456000 Don Phillips don.phillips@gmail.com « Next Oldest | Next Newest »

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