Citizen SRP-280 User Manual

E – 8
File name : SR19-English.doc vision : 2003/08/24
• When functions with the same priority are used in series,
execution is performed from right to left.
e
X
ln120 Æ e
X
{ ln (120 ) }
otherwise, execution is from left to right.
• Compound functions are executed from right to left.
• Anything contained within parentheses receives the highest
priority.

Accuracy And Capacity
Output digits :
±
10th digit
Calculating digits : SRP-280
→
24 digits
SRP-285
→
14 digits
In general, every reasonable calculation is displayed up to 10 digits
mantissa, or 10-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
tanh
–1
x
x
<
1
log x, ln x
1 x 10
–99
≤ x < 1 x 10
100
10
x
–1 x 10
100
< x < 100
e
x
–1 x 10
100
< x ≤ 230.2585092
x
0 ≤ x < 1 x 10
100

Citizen SRP-280 Specifications

General

Brand	Citizen
Model	SRP-280
Category	Calculator
Language	English