Sony PEG-SJ33 powerOne Personal v2.0 Operating Instructions - Page 10
Performing Arithmetic, Input Mode
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Performing Arithmetic Performing Arithmetic Functions are available either on the screen or from the list displayed when the "func" button is selected. Select that button to display the list. Other buttons function as standard calculator buttons. Input Mode This calculator can be used in "order of operations" mode or chain calculation mode. The input mode affects how calculations containing two variable functions are evaluated: Order of Operations Input Mode This is the input mode used by many scientific calculators. In this input mode the calculator obeys what is called the "order of operations" whereby each two variable operation is assigned a priority as follows (single variable operations are performed immediately): Order # Function 1 negate (-x) 2 powers and roots 3 multiplication, division and percentages 4 addition and subtraction To perform a computation, enter alternating values and functions, ending by tapping equals [=] to calculate. To calculate 27 + 3 x 8.5: Key Display Comments C/CE 27 + 0 27 27.00 Tap twice to clear the display powerOne™ Personal 7