A
222Assistance, Batteries, Memory, and Service
222Obtaining Help in Operating the Calculator
222Answers to Common Questions
224Power and Batteries
224
225Installing Batteries
227Managing Calculator Memory
228Resetting the Calculator
229Erasing Continuous Memory
230Clock Accuracy
230Environmental Limits
230Determining If the Calculator Requires Service
232Confirming Calculator Operation:
233Warranty
235Service
237Regulatory information
237Noise Declaration
B
238More About Calculations
238IRR% Calculations
238Possible Outcomes of Calculating IRR%
239Halting and Restarting the IRR% Calculation
239Storing a Guess for IRR%
240Solver Calculations
240Direct Solutions
242Iterative Solutions
246Equations Used by
246Actuarial Functions
247Percentage Calculations in Business (BUS)
247Time Value of Money (TVM)
247Amortization
248Interest Rate Conversions
10 Contents
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