Citizen SR-260 - Square, Square; Cubic Root, Power, Root; Logarithms and Antilogarithms

E-10
5
3
15
124
15
4
9
4
4
3
36
7
Reciprocal, Factorial
= ? 1.25 [ 2ndF ] [1/X] [ = ]
DEG
0.80
5! = ?
5 [ 2ndF ] [ X! ] [ = ]
DEG
120.00
Square, Square / Cubic Root, Power, Root
2
2
+ 3
4
= ? 2 [ X
2
] [ + ] 3 [ X
y
] 4 [ = ]
DEG
85.00
5 x + 5 [ x ] 27 [ 2ndF ] [
3
]
DEG
20.83
= ? [ + ] 34 [
] [ = ]
= ? 72 [ 2ndF ] [ ] 9 [ = ]
DEG
1.61
Logarithms and Antilogarithms
ln7 + log100 = ? 7 [ ln ] [ + ] 100 [ log ] [ = ]
DEG
3.95
10
2
= ? 2 [ 2ndF ] [ 10
x
] [ = ]
DEG
100.00
e
5
– e
– 2
= ? 5 [ 2ndF ] [ e
x
] [ – ]
DEG
148.28
2 [ +/– ] [ 2ndF ] [ e
x
] [ = ]
Fraction calculation
Fraction value display is as follow :
(Note) : Total of integer, numerator and denominator must be within 10
digits, or the fractional value couldn’t be shown completely.
By pressing [ 2ndF ] [
d
/e ], the displayed value will be converted to the
improper fraction.
+ 7 2 [a
b
/c ] 3 [ + ]
DEG
8
4 15
= 8 7 [a
b
/c ] 3 [a
b
/c ] 5 [ = ]
= [ 2ndF ] [
d
/e ]
DEG
124
15
When a press of [a
b
/c ] key after the [ = ] key or a fraction performed
with a decimal, the answer is displayed as a decimal.
5 + 3 5 [a
b
/c ] 4 [a
b
/c ] 9
DEG
9
7 36
= 9 [+] 3 [a
b
/c ] 3 [a
b
/c ] 4 [ = ]
= 9.19 [a
b
/c ]
DEG
9.19
5 12 Display of
12
5
56 5 12 Display of 56
12
5
3
2
1.25
1
X
y
27
3
72
9
34