Rpn And Alg Keys - HP 33s Owner's Manual

RPN and ALG Keys

The calculator can be set to perform arithmetic operations in either RPN (Reverse
Polish Notation) or ALG (Algebraic) mode.
In Reverse Polish Notation (RPN) mode, the intermediate results of calculations are
stored automatically; hence, you do not have to use parentheses.
In algebraic (ALG) mode, you perform addition, subtraction, multiplication, and
division in the traditional way.
To select RPN mode:
¹ ä
Press
mode, the RPN annunciator is on.
To select ALG mode:
º Ú
Press
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
number, and finally press the arithmetic operator key:
In ALG mode, you enter the first number, press
Ï
finally press the
In RPN mode and algebraic mode, the results of all calculations are listed.
However, in RPN mode only the results are listed, not the calculations.
1–10
Getting Started
File name 33s-E-Manual-1008-Publication(1st).doc
Printed Date : 2003/10/8
to set the calculator to RPN mode. When the calculator is in RPN
to set the calculator to ALG mode. When the calculator is in ALG
key.
RPN mode
Ï Ù
1 2
Size : 13.7 x 21.2 cm
Ï
key, enter the second
Ù
.
Ù
, enter the second number, and
ALG mode
Ù Ï
1 2
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