■Coordinate transformation
•Your calculator lets you convert between rectangular coordinates and polar coor
dinates.
•Rectangular coordinates • Polar coordinates
Y
P(jc ,y)
Pol
Rec
•Calculation results are stored in variable memory I and variable memory j.
Contents of variable memory I are displayed first. To display contents of memory
J, press (AiMimfixil.
I J
Pol
r
0
Rec
X
y
•With polar coordinates, 0 can be calculated within a range of -180° <0^180°.
The calculation range is the same for radians and grads.
•The operations noted below cannot be performed in the BASE-N mode.
Example
Operation
Display
If * = 14 and j = 20.7, what are
iMODEimfixg] -► “ 0 ”
r and 0°?
d ig ® 14 ® CD 20.7 CDdU
24.98979792 (/*)
(Continuing) IalPHA]fj~lFexe]
55.92839019
55°55’42.2” (0)
If x=7.5 and y= - 10, what
(M0re)(T)(EXE) -+ “ □ ”
are r and 0 rad?
|si??FTl fPoiTI 7.5 fsififrir» |
(SHiFTlF=>l 1 o m iix il
12.5 (r)
(Continuing) HuJhaIfj~|fixi]
-0.927295218 (0)
If r — 25 and 0 = 56°, what are
w infixi] -► 11 h ”
x and y?
® B 25 56 CDIih)
13.97982259 (x)
(Continuing) fftLfflAlfj~l(exe!
20.72593931 (v)
2
If r=4.5 and 0 = -7rrad, what
SCEIdil -► “ □ ”
u
are x and y?
@ B 4.5 (E3 CD QZI2 H 3
QisH?FTif7fimmfixii
-2.25 (x)
(Continuing) 1ALPHAI fj~| fixil
3.897114317 (y)
- 5 8 -