Citizen SR-281N Calculator User Manual


 
File name : CBM_SR-281N_IB_English_black_v09330.doc
Date: 2009/3/30 Trimmed Size : 140 x 75 mm SCALE 1 : 1
-E7-
4) Type A functions which are required entering values before
pressing the function key, for example, x
2
,1/x,
π
, x!, %, RND,
ENG, , , x ', y ' .
5) x
y
,
X
6) Type B functions which are required pressing the function key
before entering, for example, sin, cos, tan, sin
–1
, cos
–1
, tan
–1
,
sinh, cosh, tanh, sinh
–1
, cosh
–1
, tanh
–1
, log, ln, FRAC, INT,
,
3
, 10
X
, e
X
, NOT, EXP, DATA in STAT mode.
7) +
/–
, NEG
8) nPr, nCr
9) x ,
10) +, –
11) AND, NAND –-- only Base–n mode
12) OR, XOR, XNOR --- only Base–n mode
Accuracy and Capacity
Output digits : Up to 12 digits.
Calculating digits : Up to 14 digits
In general, every reasonable calculation is displayed up to 12 digits
mantissa, or 12-digits mantissa plus 2-digits exponent up to 10
± 99
.
Numbers used as input must be within the range of the given function
as follow :
Functions
Input range
sin x
cos x
tan x
Deg :
x
<
4.5 x 10
10
deg
Rad :
x
<
2.5 x 10
8
π
rad
Grad :
x
<
5 x 10
10
grad
however, for tan x
Deg :
x
90 (2n+1)
Rad :
x
2
π
(2n+1)
Grad :
x
100 (2n+1), (n is an integer)
sin
–1
x, cos
–1
x
x
1
tan
–1
x
x
<
1 x 10
100
sinh x, cosh x
x
230.2585092
tanh x
x
<
1 x 10
100
sinh
–1
x
x
<
5 x 10
99
cosh
–1
x
1 x
<
5 x 10
99