Texas Instruments TI-83 PLUS - Manual (Page 456)

TI-83 Plus Applications 453
CF0 = 2000
CFList = {2000, L 3000,4000}
CFFreq = {2,1,2}
npv(, irr(
npv( (net present value) is the sum of the present values for the cash
inflows and outflows. A positive result for npv indicates a profitable
investment.
npv( interest rate , CF0 , CFList [ , CFFreq ] )
irr( (internal rate of return) is the interest rate at which the net present
value of the cash flows is equal to zero.
irr( CF0 , CFList [ , CFFreq ] )
3000 5000 1000
- 2000 - 2500
0