Calculator Mode - Casio SF-3990 User Manual

Press CAL to enter the Calculator Mode.
I Calculation Examples
Examples
53 123 63
963 (23 56)
(56 3 89)
123456 741852
2 ( 3)
12 23
45 23
7 5.6
2 5.6
2.3 12
4.5 12
45 9.6
78 9.6
12% of 1500
Percentage of 660
against 880
15% add-on of 2500
25% discount of 3500
E-22

Calculator Mode

e
5.2 63 56
Operation
q
53 125 (Error) +
w
w e
23 56
w r q
3 89 5.2
e
123456 741852
e
2
qq
23
ww
5.6
ee
12
rr
9.6
e
1500
r
660
e
2500 15
e
3500 25
Display
a
C
123 +
u
63
u
963
u
63 78.19230769
u
E 9.158608051
C
9.158608051
a
;u
3
u
12 K
u
45 K
u
7 K
u
2 K
u
2.3 K
u
4.5 K
u
45 K
u
78 K
t
12
t
880
tq
tw
0.
125.
123.
113.
31779.
0.
6.
35.
68.
1.4
3.6
27.6
54.
4.6875
8.125
180.
75.
2875.
2625.