To select ALG mode:

Press 9{() to set the calculator to ALG mode. When the calculator is in ALG mode, the ALG annunciator is on.

Example:

Suppose you want to calculate 1 + 2 = 3.

In RPN mode, you enter the first number, press the key, enter the second number, and finally press the arithmetic operator key: .

In ALG mode, you enter the first number, press , enter the second number, and finally press the key.

RPN mode

ALG mode

1 2 1 2

In ALG mode, the results and the calculations are displayed. In RPN mode, only the results are displayed, not the calculations.

Note

You can choose either ALG (Algebraic) or RPN (Reverse Polish

 

Notation) mode for your calculations. Throughout the manual, the

 

v“ in the margin indicates that the examples or keystrokes in RPN

 

mode must be performed differently in ALG mode. Appendix C

 

explains how to use your calculator in ALG mode.