Basic Arithmetic Operations For Bases; Negative Expressions; Logical Operation; Statistical Calculations - Citizen SR-281 User Manual

Basic arithmetic operations for bases

1IEIF + 1234
16
[ 2nd ] [ HEX ] 1E F [ + ] [ 2nd ]
[ DEC ] 1234 [
1001 [

Negative expressions

In binary, octal, and hexadecimal bases, the calculator represents
negative numbers using complement notation. The complement is the
result of subtracting that number from 10000000000 in that number's
base by pressing [ NEG ] key in non-decimal bases.
3/A = NEG IFIFIFIFIFIFIC6
16
[ 2nd ] [ HEX ] 3 A [ NEG ]

Logical operation

Logical operations are performed through logical products (AND),
negative logical (NAND), logical sums (OR), exclusive logical sums
(XOR), negation (NOT), and negation of exclusive logical sums
(XNOR).
1010 AND ( /A
2
[ 2nd ] [ BIN ] 1010 [ AND ] [ ( ] [ 2nd ]
[ HEX ] A [ OR ] 7 [ ) ] [
[ OCT ]

Statistical Calculations

Use STAT ( [ MODE ] 2 ( STAT ) ) mode for statistical calculations.
The calculators
calculations and paired–variable in this mode.
Press [ MODE ] 2 ( STAT ) to enter STAT mode. There are six items in
STAT mode, asking you to select one of them,
DEG
1–VAR LIN LOG
Single–variable statistics
1–VAR Single–variable statistics
Paired-variable / Regression statistics
1001
10
] [ 2nd ] [ BIN ]
] [ 2nd ] [ OCT ]
OR 7
16
can perform
STAT
[
= 1170
2 8
h 1 IE IF + 1 2 3 4
16
N E G
) = 12
16 8
b 1 0 1 0
] [ 2nd ]
both
] [ ] [
-E27-
DEG
0 0 0 0 0 0 0 1 1 7 0
DEG
h 3 /A
F F F F F F C 6
DEG BIN
A N D
0 0 0 0 0 0 0 0 0 1 2
single–variable
DEG
]
EXP PWR D–CL
OCT
b 1
o
HEX
h
( h
o
statistical
STAT