Instruction manual

Ex.4 16 (sin 30 + i cos 30) + Isin 50 + i cos 50) 2
Key operation DiSplay
Note
"a+bi" "DEG"
m
O.
16C!J[K]
o.
30~m 0.5
30~rnrn O.
soEiliJ[!] 0.766044443
SO~m[§]
R
o.
W
15.03508193
Ans. Real number portion
m
5.472322287
Ans. Imaginary number portion
4 x (7 - 9i1 x 1-12
Ex.3
Key operation
Displav
Note
r------
[£]
"a+bj"
O.
4rnoo
O.
7/I]9[gJrnoo
o.
12(gJW 11 wm
R
O.
/I]
60.
Ans. real number portion
rn
740.
Ans. imaginary number POrtion
79
80
b) Coordinate conversion
Before starting calculations.
set the DEG/RAD/GRAD selector to a proper engular mode
depending Upon necessity.
Rectangular
coordinate .... polar coordinate conversion
Key
operation
Display
Note
"a+bi" "DEG" m
O.
4W
4. Entry of x
3m
3. Entry of y
~
R
O.
Execution
m
5.
Ans. r
rn
36.86989765
Ans. (J
y
u
.. ··.. ·· ..
tex
.
y
)
: -
o x
%
f r;/7
p
c
r
.
fJ)
~x
o
r=.Jx'+y'
8 2 tan-I l.
x
Ex.1
Supposing that the rectangular coordinates of point p is (4. 31. the corresponding
polar coordinates (r, 8) can be determined as follows;
y
~,
81
82