CITIZEN SR-281N - Manual (Page 16)

File name : CBM_SR-281N_IB_English_black_v09330.doc
Date: 2009/3/30 Trimmed Size : 140 x 75 mm SCALE 1 : 1
-E15-
GRAD
1 . 5 7 0 7 9 6 3 2 6 7
[ 2nd ] [ DRG ]
1 0 0 .
Sexagesimal ↔ Decimal transformation
The calculator enables you to convert the sexagesimal figure (degree,
minute and second) to decimal notation by pressing [
] or
convert the decimal notation to the sexagesimal notation by [ 2nd ]
[
].
Sexagesimal figure value display is as follow :
125 45 ׀ 30 ׀ ׀ 55
Represent 125 degrees (D),
45 minutes(M), 30.55 seconds(S)
(Note) : The total digits of D, M and S and separator marks must be
within 12 digits, or the sexagesimal couldn't be shown
completely.
¾ 12.755 = 12 † 45 l 18 l l
DEG 12.755 [ 2nd ] [ ]
1 2 † 4 5 l 1 8 l l
¾ 2 † 45 l 10.5 l l = 2.75291666667
DEG 2 [ ] 45 [ ] 10.5 [ ]
2 . 7 5 2 9 1 6 6 6 6 6 7
Trigonometric / Inverse-Tri. functions
SR-281N provides standard trigonometric functions and inverse
trigonometric functions - sin, cos, tan, sin
–1 , cos –1 and tan –1 .
(Note) : When using those keys, make sure the calculator is set for the
angle unit you want.
¾ sin 30 deg.= 0.5
DEG
s i n 3 0 =
[ sin ] 30 [=]
0 . 5
¾ 3 cos ( π
3
2
rad) = – 1.5
RAD
3 ¼ c o s ( 2 ¼ π 3 =
3 [ cos ] [ ( ] 2 [ x ] [ 2nd ] [ π ] [ ]
3 [=]
– 1 . 5