SC3449 Datasheet, PDF (10/22 Pages) Silan Microelectronics Joint-stock – PROGRAMMABLE CALCULATOR WITH 10BIT

SC3449
Ÿ Pressing RCL E , RCL F can make the numerical value replace the present showing numerical value.
Arithmetic formula or
requirement
Key-press
Result vision
Note
Transfer the right-angle
Pol( 1 ,
3)˙
2.
r
coordinates (1, 3 ) to
Example2
R
polar coordinates(r, θ).
RCL F
1.047197551
θ
(RAD state)
Ÿ Pressing RCL E , RCL F can make the numerical value replace the present showing numerical value.
Permutation
Example
Arithmetic formula or
requirement
Using numbers from 1 to 7 can
compose how many different four
digits numbers, and the value of
them can not repeat.(1234 is
admitted, but 1123 is not)
Key-press
7 SHIFT nPr 4 ˙
Result vision
840.
Combination
Example
Arithmetic formula or
requirement
Take 4 things among 10, asking
how many combinations can be
composed.
Key-press
10 nCr 4 ˙
Result vision
210.
6. Statistics calculation
Standard deviation (SD mode)
Ÿ Press MODE 2 to enter the SD state, and go along the statistics calculation using standard deviation.
Ÿ Please press SHIFT Scl ˙ at first without fail to clear the statistics memory before input the data.
Ÿ The input data are used to calculate the value of n, ™x², ™x, x , σn, σn-1, you can use the demonstrational
operation in the right diagram to calculate.
RCL A
™x²
RCL B
™x
RCL C
n
SHIFT x
x
SHIFT xσn σn
HIFT xσn-1 σn-1
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2007.11.19
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