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Fractions, Hexagesimal numbers – HP Prime Graphing Calculator User Manual

Page 30

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26

Getting started

degrees; and enters ″ if the previous entry is a value in
minutes. Thus entering:
36

Sc

40

Sc

20

Sc

yields 36°40′20″. See “Hexagesimal numbers” on page
26
for more information.

Fractions

The fraction key (

c

) cycles through thee varieties of

fractional display. If the current answer is the decimal
fraction 5.25, pressing

c

converts the answer to the

common fraction 21/4. If you press

c

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 find
exact ones. For example,
enter

to see the

decimal approximation:
2.236…. Press

c

once to see

and again to see

. Pressing

c

a third time will cycle back to the

original decimal representation.

Hexagesimal

numbers

Any decimal result can de 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

S

c

to see

1°2230. Press

S

c

again to return to the decimal

representation.
HP Prime will produce the best approximation in cases
where an exact result is not possible. Enter

to see the

decimal approximation: 2.236… Press

S

c

to see

2°149.84472.

5

219602

98209

------------------

2

23184
98209

---------------

+

11

8

------

5