-E15-
RAD
90
O
=
90 [ 2nd ] [ DRG ]
1 .57079632679
GRAD
1 . 5707963267
[ 2nd ] [ DRG ]
100.
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
ʜ
30
ʜʜ
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 ] [ ]
12
45
l
18
l l
¾
2
45
l
10.5
l l
= 2.75291666667
DEG
2
[
] 45
[
] 10.5
[
]
2 . 75291666667
Trigonometric / Inverse-Tri. functions
SR-281 / SR-282 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
sin30=
[ sin ] 30 [ ]
0 . 5
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