10  Contents 
 
File name: HP 12cpt_user's guide_English_110608.DOC  Page: 10 of 285   
Printed Date:  {2009/1/13  Dimension: 14.8 cm x 21 cm 
 
Error 2: Statistics.........................................................................251
 
Error 3: IRR................................................................................251
 
Error 4: Memory ........................................................................251
 
Error 5: Compound Interest..........................................................252
 
Error 6: Storage Registers ............................................................253
 
Error 7: IRR ................................................................................253
 
Error 8: Calendar...................................................................... 254
 
Error 9: Service ......................................................................... 254
 
Pr Error .................................................................................... 254
 
Appendix E:  Formulas Used..............................................255 
Percentage.................................................................................255
 
Interest ......................................................................................255
 
Simple Interest .....................................................................255
 
Compound Interest.............................................................. 256
 
Amortization ............................................................................. 256
 
Discounted Cash Flow Analysis ....................................................257
 
Net Present Value ................................................................257
 
Internal Rate of Return...........................................................257
 
Calendar...................................................................................257
 
Actual Day Basis..................................................................257
 
30/360 Day Basis...............................................................257
 
Bonds ...................................................................................... 258
 
Black-Scholes Formula for Valuing European Options .....................259
 
Depreciation ..............................................................................259
 
Straight-Line Depreciation..................................................... 260
 
Sum-of-the-Years-Digits Depreciation ...................................... 260
 
Declining-Balance Depreciation ............................................ 260
 
Modified Internal Rate of Return....................................................261
 
Advance Payments......................................................................261
 
Interest Rate Conversions .............................................................261
 
Finite Compounding.............................................................261
 
Continuous Compounding.....................................................261
 
Statistics ....................................................................................262
 
Mean.................................................................................262
 
Weighted Mean ..................................................................262
 
Linear Estimation..................................................................262
 
Standard Deviation ..............................................................262
 
Factorial .............................................................................262
 
The Rent or Buy Decision .............................................................263
 
Appendix F:  Batteries, Warranty, and Service Information..264 
Batteries ................................................................................... 264