Texas Instruments TI-84 - Manual (Page 406)

Chapter 14: Applications 403
4 Nom( computes the nominal interest rate. effective rate and compounding periods must be
real numbers. compounding periods must be >0.
4
Nom(effective rate,compounding periods)
4
Eff( Eff( Eff( Eff(
4
Eff( computes the effective interest rate. nominal rate and compounding periods must be real
numbers. compounding periods must be >0.
4 Eff(nominal rate,compounding periods)
Finding Days between Dates/Defining Payment Finding Days between Dates/Defining Payment Finding Days between Dates/Defining Payment Finding Days between Dates/Defining Payment
Method Method Method Method
dbd( dbd( dbd( dbd(
Use the date function dbd( (menu item D ) to calculate the number of days between two
dates using the actual-day-count method. date1 and date2 can be numbers or lists of
numbers within the range of the dates on the standard calendar.
Note: Dates must be between the years 1950 through 2049.