Other Functions; X Y , Int, Frac ) - Citizen SR-281 User Manual

7 [ 2nd ] [ nCr ] 4 [
5 ! = 120
5 [ 2nd ] [ X ! ] [
Generates a random between 0.000 ~ 0.999
[ 2nd ] [ RND ]
Other functions ( 1/x,
FRAC )
The calculator also provides reciprocal ( [ 2nd ] [ 1/x ] ), square root
( [ ] ), cubic root ( [ 2nd ] [
2
square ( [ x
functions.
1
=
0 8 .
1 .25
1.25 [ 2nd ] [ 1 / x ] [
2
2 + 4 +
2
2 [ x ] [ + ] [
[ + ] [ 2nd ] [
3
[ x ] [
5
4
7 + 625
y
7 [ x ] 5 [ + ] 4 [
INT Indicate the integer part of a given number
FRAC Indicate the fractional part of a given number
INT ( 10
[ 2nd ] [ INT ] 10 [
]
]
] ), cubic ( [ 2nd ] [ x
3
21 + 125 + 5
] [ ( ] 4 [ + ] 21 [ ) ]
] 125 [ + ] 5 [ 2nd ]
3
]
= 16812
] 625 [
X
8 ) = INT ( 1.25 ) = 1
] 8 [
7 C 4 =
5 !
R n d
, ,
3
X
] ), universal root ( [ 2nd ] [
3
3
] ), and exponentiation ( [ x
]
1 . 2 5
3
= 139
2
]
7 x
]
I N T ( 1 0
-E18-
DEG
DEG
DEG
0 . 4 4 9
2 3
, x , x , x
DEG
–1
DEG
2
+ ( 4 + 2 1 ) +
DEG
y
X
5 + 4
1 6 8 1 2 .
DEG
8 =
3 5 .
1 2 0 .
y
, INT,
] ),
X
y
] )
0 . 8
1 3 9 .
6 2 5 =
1 .