HP Prime Graphing Wireless Calculator Manual de usuario Pagina 63

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Fractions
The fraction key ( ) cycles through three varieties of fractional display. If the current answer is the
decimal fraction 5.25, pressing converts the answer to the common fraction 21/4. If you press
again, the answer is converted to a mixed number (5 + 1/4). If pressed again, the display returns to
the decimal fraction (5.25).
The HP Prime will approximate fraction and mixed number representations in cases where it cannot nd exact
ones. For example, enter √5 to see the decimal approximation: 2.236…. Press
once to see and
again to see . Pressing a third time will cycle back to the original decimal representation.
Hexagesimal numbers
Any decimal result can be displayed in hexagesimal format; that is, in units subdivided into groups of 60. This
includes degrees, minutes, and seconds as well as hours, minutes, and seconds. For example, enter
to see
the decimal result: 1.375. Now press to see 1°22′30. Press again to return
to the decimal representation.
The HP Prime calculator will produce the best approximation in cases where an exact result is not possible.
Enter √5 to see the decimal approximation: 2.236… Press to see 2°14′9.84472 .
Entry and edit keys 15
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