Hp 48g Graphing Calculator Manuel d'utilisateur Page 52

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To set the angle mode directly from the keyboard:
Press QIraQ to switch between Radians mode and Degrees
mode. (If Grads mode had been previously selected in the MODES
application, this keystroke switches between Radians mode and
Grads mode instead.)
Setting the Coordinate Mode
The coordinate mode affects how complex numbers and vectors are
displayed. Complex numbers and two-dimensional vectors can be
displayed in either rectangular mode (< b;, Y ) or [ Y Y ]) or polar
mode {< R 5 i£ > or C R á. 3).
Three-dimensional vectors can be displayed in rectangular mode
([ R
), cylmdncal mode R i
), or spherical mode
Note that no matter how these objects are displayed, they are always
stored in rectangular mode, and calculations are based on this internal
rectangular representation.
Two-Dimensional Display Modes
Rectangular Polar
[a b] [r C
0
]
Coordinate Systems for Complex Numbers and 2D Vectors
4-4 Modes
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