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USER GUIDE
Texas Instrument BA II Plus Calculator
April 2007
GENERAL INFORMATION
The Texas Instrument BA II Plus financial calculator was designed to support the many possible
applications in the areas of financial analysis and banking.
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The explanations below will make it easier for you to use the calculator.
By default, the calculator operates in financial mode.
The ON/OFF key is used to turn the calculator on and off.
The 2ND key is often used to access financial applications. Press this key when you
want to apply the functions displayed in yellow at the top of the keys.
The FORMAT feature lets you select the number of decimal points to be displayed by the
calculator. If you want to display:
a fixed decimal point, press 2ND and then FORMAT, enter a number from 0 to 8
to specify the number of decimal points, and then press ENTER.
a floating decimal point, press 2ND and then FORMAT, enter the number 9, and
then press ENTER. The number of decimals displayed will vary depending on the
calculations up to a maximum of nine decimals.
To perform the calculator exercises in this document, it is best to use a floating decimal
point format.
Setting the number of payment periods and interest-calculation periods in a financial
calculation (the P/Y and C/Y functions).
P/Y function: this function sets the number of annual payments. The default value
is one payment per year. To change the number of annual payments, press the
2ND and P/Y keys, enter the required value, and then press ENTER (for
example, 12 for 12 monthly payments).
C/Y function: this function sets the number of interest-calculation periods. By
default, the number of interest-calculation periods is the same as the number
entered for the P/Y variable. To change it, press 2ND, P/Y and , and then enter
the number of periods and press ENTER.
Example where the C/Y differs from the P/Y: monthly payments on a personal loan on
which interest is calculated quarterly (I, 4):...