1-20 Getting Started
Example
Calculate 2+3 and
6
C
4
, first in RPN mode and then in ALG mode.
In ALG mode, the infix operators are , ,, , and . The other two
argument operations use function notation of the form f(x,y), where x and y are the
first and second operands in order. In RPN mode, the operands for wo argument
operations are entered in the order Y, then X on the stack. That is, y is the value in
the y-register and x is the value in the x-register.
The x
th
root of y (') is the exception to this rule. For example, to calculate in
RPN mode, press
'. In ALG mode, the equivalent
operation is keyed in as
' Õ .
As with the single argument operations, some of the two argument operations
display differently in RPN mode than in ALG mode. These differences are
summarized in the table below.
Keys: Display: Description:
9()
Switch to RPN mode (if necessary)
_
Enter 2, then place 3 in the x-register.
Note the flashing cursor after the 3;
don’t press Enter!
Press the addition key to see the result.
_
Enter 6, then place 4 in the x-register.
x
Press the combinations key to see the
result.
9()
Switch to ALG mode
Expression and result are both shown.
x
Enter the combination function.
Õ
Enter the 6, then move the edit cursor
past the comma and enter the 4.
Press Enter to see the result.
3
8
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