HP HP-25 User Manual

Polar/Rectangular Coordinate
Conversion
Two functions are provided for polar/rectangular coordinate
conversion. To convert values in the X-and Y-registers, (repre-
senting rectangular X, y coordinates, respectively) to polar r,
6 coordinates (magnitude and angle, respectively), press El [+7].
Magnitude r then appears in the X-register and angle is placed
in the Y-register.
Conversely, to convert values in the X-and Y-registers (repre-
senting polar r, 6, respectively) to rectangular coordinates (x, y
respectively), press [ .
Example 1: Convert rectangular coordinates (4,3) to polar form
with the angle expressed in radians.
(4,3)
X
Press Display
a 0.00 Specifies radians mode.
(Assumes no results remain
from previous example.)
3 4 [4. ] Rectangular coordinates
placed in X-andY-registers.
o [ Magnitude r.
Angle 0 in radians.

HP HP-25 Specifications

General

Brand	HP
Model	HP-25
Category	Calculator
Language	English