HP 17bII User's Manual | Page 209

HP Calculators User's Manual - 17bII.
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14: Additional Examples  209 

File name : English-M02-1-040308(Print).doc   Print data : 2004/3/9

Keys: Display: 

Description: 

   

Displays TVM menu. 

 1  
 e  

    

Sets 1 payment per year 
and Begin mode. 

35  



Stores years until 
retirement. 

8.175 - 28 % 
  





Calculates and stores 
interest rate diminished by 
tax rate. 

0  



Stores no present value. 

3000 &   

Stores annual payment. 

  



Calculates future value. 

8  
0  
  



Calculates present-value 
purchasing power of the 
above 

FV at 8% 

inflation. 

 
 

Modified Internal Rate of Return  

When there is more than one sign change (positive to negative or 
negative to positive) in a series of cash flows, there is a potential for 
more than one 

IRR%. For example, the cash-flow sequence in the 

following example has three sign changes and hence up to three 
potential internal rates of return. (This particular example has three 
positive real answers: 1.86, 14.35, and 29.02% monthly.) 
 
The Modified Internal Rate of Return (MIRR) procedure is an alternative 
that can be used when your cash-flow situation has multiple sign 
changes. The procedure eliminates the sign change problem by utilizing 
reinvestment and borrowing rates that you specify. Negative cash flows 
are discounted at a 

safe rate that reflects the return on an investment in 

v

v

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