Calculator User Manual
76 Other Worksheets
6. To compute a value for the unknown variable (interest rate), press # 
or " until NOM or EFF is displayed, and then press %. The 
calculator displays the computed value.
Example: A bank offers a certificate that pays a nominal interest rate of 
15% with quarterly compounding. What is the annual effective interest 
rate?
Answer: A nominal interest rate of 15% compounded quarterly is 
equivalent to an annual effective interest rate of 15.87%.
Date Worksheet
Date Worksheet Variables
To Press Display
Select Interest Conversion 
worksheet.
& v NOM=
0
Enter nominal interest rate. 15 ! NOM= 15.00
Enter number of compounding 
periods per year.
# # 
4 ! C/Y= 4.00
Compute annual effective 
interest rate.
" % EFF=
15.87
Use the Date worksheet to find the number of days 
between two dates. You can also compute a date and day 
of the week based on a starting date and a specified 
number of days.
• To access the Date worksheet, press & u.
• To access the date variables, press # or ".
• To select the day-count method (
ACT and 360), press 
& V once for each option.
Variable Key Display Variable Type
Date 1 & u DT1 Enter/compute
Date 2 # DT2 Enter/compute
Days between dates # DBD Enter/compute
Actual/actual day-count method #
ACT*Setting
30/360 day-count method #
360*Setting










