HP 35s HP 35s scientific calculator - User Guide - Page 276
Part 2., Rounds the payment to two decimal
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Part 2. What interest rate would reduce the monthly payment by $10? Keys: (In RPN mode) Display: Description: I Displays the leftmost hart of the TVM equation. Selects I; prompts for P. Rounds the payment to two decimal places. Calculates new payment. Stores -176.89 in P; prompts for N. Retains 36 in N; prompts for F. Retains 0 in F; prompts for B. Retains 5750 in B; calculates monthly interest rate. Calculates annual interest rate. Part 3. Using the calculated interest rate (6.75%), assume that you sell the car after 2 years. What balance will you still owe? In other words, what is the future balance in 2 years? Note that the interest rate, I, from part 2 is not zero, so you won't get a error when you calculate the new I. Keys: (In RPN mode) F Display: Description: Displays leftmost part of the TVM equation. Selects F; prompts for P. Retains P; prompts for I. 17-6 Miscellaneous Programs and Equations