Manual HP HP-12c (page 16 of 218) (English)

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Section 1

Getting Started

Power On and Off

To begin using your HP 12C Platinum, press the ; key

. Pressing ; again

turns the calculator off. If not manually turned off, the calculator will turn off

automatically 8 to 17 minutes after it was last used.

Low-Power Indication

A battery symbol ( ) shown in the upper-left corner of the display when the

calculator is on signifies that the available battery power is nearly exhausted. To

replace the batteries, refer to Appendix F.

The Keyboard

Many keys on the HP 12C Platinum perform two or even three functions. The

primary function of a key is indicated by the characters printed in white on the

upper face of the key. The alternate function(s) of a key are indicated by the

characters printed in gold above the key and the characters printed in blue on the

lower face of the key. These alternate functions are specified by pressing the

appropriate prefix key before the function key.

Throughout this handbook, references to the operation of an alternate function

appear as only the function name in a box (for example, “The L function …”).

References to the selection of an alternate function appear preceded by the

Note that the ; key is lower than the other keys to help prevent its being pressed

inadvertently.

z To specify the alternate function printed in

gold above a key, press the gold prefix key

(f), then press the function key.

z To specify the primary function printed on

the upper face of a key, press the key alone.

z To specify the alternate function printed in

blue on the lower face of a key, press the

blue prefix key (g), then press the

function key.

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HP HP-12c Manual

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