![Citizen SR-282 [7/16] Angle unit conversions](/img/pdf.png)
Citizen SR-282 [7/16] Angle unit conversions
![Citizen SR-282 [7/16] Angle unit conversions](/views2/1012170/page7/bg7.png)
7 / 7
DEG
4 2 4 =
[ 2nd ] [
d
/
e ]
9
2 .
DEG
4 2 4 =
[ 2nd ] [
d
/
e
]
4
1 2 .
Calculations containing both fractions and decimals are calculated in
decimal format.
55.1275.3
5
4
8 =+
DEG
8 4 5 + 3 . 75=
8 [ a
b
/
c
] 4 [ a
b
/
c
] 5 [ + ] 3.75
[
]
12 . 55
Angle unit conversions
The calculator enables you to convert an angle unit among
degrees(DEG), radians(RAD), and grads(GRAD).
The relation among the three angle units is :
180 ° =
π
rad = 200 grad
1) To change the default setting to another setting, first press [ 2nd ]
[ DRG ] key repeatedly until the angle unit you want is indicated in
the display.
2) After entering a value, press [ 2nd ] [ DRG
] repeatedly until the
unit you want is displayed.
90 deg. = 1.57079632679 rad. = 100 grad.
DEG
[ 2nd ] [ DRG ]
0 .
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
׀
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.
12.755 = 12
45
l
18
l l
DEG
12.755 [ 2nd ] [ ]
1 2
4 5
l
1 8
l l
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-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.
sin 30 deg.= 0.5
DEG
s i n 3 0 =
[ sin ] 30 [ ]
0 . 5
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
3 sin
–1
0.5 = 90 deg
DEG
3 ¼ s i n
–1
0 . 5 =
3 [ 2nd ] [ sin
–1
] 0.5 [ ]
9 0 .
Hyperbolic / Inverse-Hyp. functions
SR-281 / SR-282 uses [ 2nd ] [ HYP ] to calculate the hyperbolic
functions and inverse-hyperbolic functions - sinh, cosh, tanh, sinh
–1
,
cosh
–1
and tanh
–1
.
(Note) : When using those keys, make sure the calculator is set for the
angle unit you want.
cosh 1.5 + 2 = 4.35240961524
Содержание
- Auto power off function 1
- Battery replacement 1
- Contrast adjustment 1
- Display readout 1
- General guide 1
- Reset operation 1
- Scientific calculator 1
- Sr 281 sr 282 1
- Turning on or off 1
- Before starting calculation 2
- Corrections 2
- Memory calculation 2
- Replay function 2
- Undo function 2
- Using 2nd keys 2
- Using mode keys 2
- Accuracy and capacity 3
- Order of operations 3
- Arithmetic calculation 4
- Basic calculations 4
- Error conditions 4
- Display notations 5
- Parentheses calculations 5
- Percentage calculation 5
- 0 5714285714 6
- 100 06737947 6
- 8 22 7 5 14 3 2 7 6
- 9 5 4 2 1 4 4 2 4 6
- And 2nd e 6
- D e the displayed value will be converted to the improper fraction and vice versa to convert between a decimal and fractional result press a b c 6
- Display of 6
- Display of 5 6
- During a fraction calculation if the figure is reducible a figure is reduced to the lowest terms after pressing a function command key x or 6
- Each time you specify the eng mode a displayed result is automatically shown with the corresponding engineering symbol 6
- Engineering symbol notation 6
- Fraction calculation 6
- Fraction value display is as follow 6
- Key by pressing 2nd 6
- Ln 7 log 100 3 4591014906 6
- Logarithms and antilogarithms 6
- Mode 5 eng 6
- Note values are automatically displayed in decimal format whenever the total number of digits of a fractional values integer numerator denominator separator marks exceeds 12 to enter a mixed number enter the integer part press a b c enter the numerator press a b c and enter the denominator to enter an improper fraction enter the numerator press a b c and enter the denominator 6
- Or the 6
- Perform the following operation to specify engineering symbol notation 6
- Scientific functional calculations 6
- The calculator can calculate common and natural logarithms and anti logarithms using log ln 2nd 10 6
- To exit from this mode press mode 5 once again 6
- Use main mode 1 main mode for scientific function calculations 6
- Angle unit conversions 7
- Hyperbolic inverse hyp functions 7
- Sexagesimal decimal transformation 7
- Trigonometric inverse tri functions 7
- Coordinates transformation 8
- Int frac 8
- Other functions 1 x 8
- Probability 8
- Physics constants 9
- Unit conversion 9
- 1 0664259841 x 10 11
- Or 2nd 11
- Press const to display the physics constants menu 2 press 11
- To insert a constant at the cursor position 11
- Until the constant you want is underlined 3 press 11
- You also can use the const key in combination with a number 1 through 136 to recall a physical constants for example press 15 const 11
- Base n calculations 12
- Bases conversions 12
- Block function 12
- Basic arithmetic operations for bases 13
- Displaying results 13
- Entering data 13
- Logical operation 13
- Negative expressions 13
- Statistical calculations 13
- Deleting data 15
- Editing data 15
- Full message 15
- 7 9 i 15 12 i 22 3 i ab 22 036033112 ar 7 6516601843 16
- Ab absolute value ar argument value 16
- Cbm bldg 5 68 10 nakano nakano ku tokyo 164 0001 japan tel 3 5345 7430 fax 3 5345 7431 citizen is a registered trademark of citizen watch co japan 16
- Clear the indicator the previous data entries are still retained unless you exit stat mode 16
- Complex calculations 16
- Complex mode enables you to add subtract multiply and divide complex numbers 16
- If the times of data entry by data is more than 50 16
- N 12750 appears when the times of data entry by data are up to 50 and the number of repeats for each value are all 255 i e 12750 50 x 255 16
- Re real value im imaginary value 16
- The number of repeats is more than 255 16
- The results of a complex operation are displayed as follow 16
- The unit complies with the requirements of directive 89 336 eec as amended by 93 68 eec 16
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