SC3442(2007) データシートの表示（PDF） - Silan Microelectronics
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SC3442 Datasheet PDF : 20 Pages
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SC3442
14. FACTORIAL FUNCTION (N!)
n! = n×(n-1)×(n-2)×⋅⋅⋅⋅⋅⋅×2×1
Same as trigonometric
15. → DEG → DMS
a. These keys convert degrees, minutes and seconds into decimal degrees and decimal degrees into degree
minutes and seconds.
b. On the DMS format, the integer part of display data is regarded as degrees, 2 digits below the decimal
point as minutes and the 3rd digit and below as seconds.
1
59
5999
1.999999999
-DMS
degree
minute
second
16. COORDINATE CONVERSION (A B→Rθ→XY)
a. These keys convert the rectangular coordinates into the polar coordinates into the rectangular coordinates.
The angle units that have been set by the DRG key follows.
b. Respective defined areas and accruacy are as shown in (6), however, the range of θ obtained by R→P in
degree is as follows:
1st
Quadrant
0° ≤ θ ≤
90°
2nd
Quadrant
90° ≤ θ ≤
180°
3rd
Quadrant
180° ≤ θ ≤
-90°
4th
Quadrant
-90° ≤ θ ≤
0°
c. Input of 2 variables is performed by setting.
x or r by pressing a key and
y or θ by pressing b key.
d. The operation result of x or R is obtained in the display register of by pressing a key and y or θ by pressing
b key.
Input Data
Result
a
b
a
b
R→P (Rectangular→Polar)
x
y
r
θ
P→R (Polar→Rectangular)
r
θ
x
y
(→r, θ)r= x2 + y2 , θ=tan-1y/x
(→x, y)x=rcosθ, y=sinθ
e. (R→P Conversion) ([x, y] → [r, θ])
Key operation
Display
x
x
a
x
y
y
b
y
→rθ
r
b
θ
f. (P→R Conversion) ([r, θ] → [x, y])
Key operation
Display
θ
θ
b
θ
r
r
a
r
→xy
x
b
y
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.2 2007.04.17
Page 11 of 21
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