Copyright L
EXIBOOK
2002
- 27 -
GB
Key Operation
14
20.7
(cont.)
7.5
10
(cont.)
25
56
(cont.)
4.5
2 3
(cont.)
Example
x=14,
y=20.7
r= ?°
θ
=?°„
x=7.5, y=
-10
r= ?rad
θ
= ?rad
r= 25
θ
=56°
x= ?
y= ?
r= 4.5
θ
=2/3
η
x= ?
y= ?
Display
D
24.98979792
55.92839019
55°„55’42.2”
r
12.5
-0.927295218
D
13.97982259
20.72593931
r
-2.25
3.897114317
Remark
r
θ
r
θ
x
y
x
y
)
EXE
4
MODE
EXE
5
MODE
EXE
4
MODE
EXE
J
ALPHA
EXE
J
ALPHA
EXE
J
ALPHA
EXE
J
ALPHA
SHIFT
EXE
Pol(
)
(-)
SHIFT
EXE
SHIFT
,
)
(
SHIFT
EXE
)
)
EXE
Rec(
SHIFT
,
EXE
5
MODE
SHIFT
Rec(
SHIFT
,
SHIFT
Pol(
SHIFT
,
°’ ‘’
SHIFT
÷
SHIFT
x
η
2.3.6 Other functions (
√
, X
2
, X
-1
, X!,
x
√
, Ran#, Abs, Int, Frac)
●
The operations noted below cannot be performed in the BASE-N mode.
Key Operation
2 5
2
3
4
5
3
4
8
36 42 49
13 5
3
4
1
40
(cont.)
2 4
6 8
3 4
7800
96
7800
96
2512549139
2141
2512549139
2141
Example
√
2 +
√
5 =
2
2
+3
2
+4
2
+5
2
=
1/(1/3-1/4) =
8!(=1x2x3x...x8 ) =
3
√
36x42x49 =
√
13
2
-5
2
+
√
3
2
+4
2
=
√
1-sin
2
40° = ?
= cos40°
(Proof of cos
θ
=
√
1-sin
2
θ
)
1/2!+1/4!+1/6!+1/8! =
[log3/4] =
7800/96 ? integer
7800/96 ? fraction
2512549139
÷
2141 = ?
aliquot part
Display
3.65028154
54.
12.
40320.
42.
(Ex.) 0.792
17.
D
0.766044443
40.
0.543080357
0.124938736
81.
0.25
1173540.
0.99953
Remark
EXE
EXE
+
+
-
EXE
Ran#
SHIFT
SHIFT
a
b/c
log
EXE
x
2
x
-1
-
x
2
x
2
x!
x
-1
x
-1
+
x
2
+
+
x
2
+
+
+
+
x
2
x
2
SHIFT
x!
x
-1
SHIFT
x!
x
-1
SHIFT
EXE
x!
x
-1
SHIFT
x!
x
-1
SHIFT
EXE
SHIFT
(
(
)
EXE
EXE
x
2
)
x
x
√
3
√
(
)
x
2
)
-
(
)
√
(
√
(
√
√
)
EXE
EXE
4
MODE
sin
cos
-1
SHIFT
EXE
Ans
(
)
EXE
÷
EXE
÷
SHIFT
Int
(
)
EXE
÷
SHIFT
Frac
(
)
EXE
)
EXE
÷
SHIFT
Frac
(
÷
Random number generation
(pseudorandom number from
0.000 to 0.999)
