Citizen SR-270N manual Functions Input range, ： θ

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 func- tion as follow :

Functions							Input range
sin x, tan x	Deg：0≦ x ≦4.499999999 x 10 10
	Rad：0≦ x ≦785398163.3
	Grad：0≦ x ≦4.499999999 x 10 10
	however, for tan x
	Deg： x ≠90 (2n–1)
	Rad： x ≠					(2n–1)
	Grad： x ≠100 (2n–1)							( n is an integer)
cos x	Deg	：	0	≦	x	≦	4.500000008 x 10		10
	Rad	：	0	≦	x	≦	785398164.9
	Grad：0≦ x ≦5.000000009 x 10 10
sin -1x, cos -1x	0≦ x ≦1
sinh x, cosh x	0≦ x			≦230.2585092
tan -1x	0≦ x ≦9.999999999 x 10 99
tanh x, tanh -1x	0≦ x ≦9.999999999 x 10 – 1
sinh -1x, cosh -1x	0≦ x ≦4.499999999 x 10 99
log x, ln x	x ＞0
10 x	– 9.999999999 x 10 99 ≦ x ≦ 99.99999999
e x	– 9.999999999 x 10 99 ≦ x ≦ 230.2585092

x0≦x < 1 x 10 100

x 2		x < 1 x 10 50
x	–1	x	<	1 x 10		100		, x	≠	0
3 x		x < 1 x 10 100
x !		0≦x≦69 , x is an integer.
Pol ( x, y )		x , y ≦9.999999999 x 10 49
		x 2 + y 2≦9.999999999 x 10 99
Rec (r,θ)		0≦r ≦9.999999999 x 10 99
		Deg：0≦ x ≦4.499999999 x 10 10
		Rad：0≦ x ≦785398163.3
		Grad：0≦ x ≦4.499999999 x 10 10
		however, for tan x
		Deg：θ ≠90 (2n–1)
		Rad：θ ≠						(2n–1)
		Grad					100 (2n–1) (n is an integer)
				： θ	≠
		a , b, c < 1 x 10 100, 0≦b, c
				-E7-