Citizen Systems SR-260N manual Hyperbolic / Inverse hyperbolic functions

3 sin 85 º = ?

3 [ x ] 85 [ sin ] [ = ]

DEG

2. 9

9

cos (

π

rad)

π

] [

⎟

] 4

RAD

4

[DRG] [ 2ndF ] [

0. 7

1

= ?

[ = ] [ cos ]

tan 150grad = ?

[DRG] 150 [ tan ]

GRAD

– 1. 0

0

–1

sin

0.5 = ?

[DRG] 0.5 [ 2ndF ] [ sin –1

]

DEG

3

0. 0

0

deg

cos –1(

1

)

[DRG] 2 [ √ ] [ 2ndF ]

RAD

2

= ? rad

[ 1/x ] [ 2ndF ] [ cos – 1 ]

0. 7

9

tan –11 = ? grad

[DRG] 1 [ 2ndF ] [ tan –1]

GRAD

0. 0

0

5

Hyperbolic / Inverse hyperbolic functions

cosh1.5+sinh1.5	1.5		[ HYP ] [ cos ] [ + ]			DEG
=	1.5		[ HYP ] [ sin ] [ = ]		4. 4			8
sinh –17 =	7	[ HYP ] [ 2ndF ] [ sin –1]				DEG	6	4
					2.
tanh 1 =	1	[ HYP ] [ tan ]				DEG
					0.		7	6
Rectangular / Polar coordinates
Rectangular Coordinates				Polar Coordinates

a + b i = r (cos θ + i sin θ )

(Note) : When using those key, make sure the calculator is set for the angular unit you want.

Converting from Rectangular to Polar

If a = 5 and b = 6, what are r andθ?

5 [ a ] 6 [ b ] [ 2ndF ]	DEG	7.	8	1
[RÆP]
[ b ]	DEG
	5	0.	1	9

E12

SR-260N_English_090324.rtf SIZE: 135x75mm / SCALE 2:1 / 2009/3/24