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1-18 Getting Started
Performing Arithmetic Calculations
The HP 35s can operate in either RPN mode or in Algebraic mode (ALG). These
modes affect how expressions are entered.The following sections illustrate the entry
differences for single argument (or unary) and two argument (or binary) operations.
Single Argument or Unary Operations
Some of the numerical operations of the HP 35s require a single number for input,
such as
, , &and k. These single argument operations are entered
differently, depending on whether the calculator is in RPN or ALG mode. In RPN
mode, the number is entered first and then the operation is applied. If the
key is pressed after the number is entered, then the number appears in line 1 and
the result is shown in line 2. Otherwise, just the result is displayed in line 2 and line
1 is unchanged. In ALG mode, the operator is pressed first and the display shows
the function, followed by a set of parentheses.The number is entered between the
parentheses and then the
key is pressed. The expression is displayed in line
1 and the result is shown in line 2. The following examples illustrate the differences.