Basic Features
15
The I key is also used in Reverse Polish Notation (RPN) mode to enter a
number on the stack or duplicate it.
The = Key
The = key is used at the end of a mathematical operation to calculate the final
result. For example, 1+2= returns a final result of
3
.
The = key also allows you to request a calculation for the value of an item.
This request only applies to items that can be calculated.
For example, when you select the nominal interest rate (
Nom. %=
) in the Interest
Conversion (Iconv) menu, pressing = outside of a mathematical operation
calculates and displays the nominal interest rate based on the stored data in the
other variables in the menu.
To open the Iconv menu, press :&.
Nom %=
displays on the top line, and
the current value assigned to the nominal interest rate is displayed on the bottom
line. At this screen, press 12I to enter a new current value for the
nominal rate. Press < followed by = to calculate the current value for the
effective rate. See Figure 1-2.
Figure 1-2
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