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Modify Function
{1}
{2}
{3}
0.6
5÷9=(A)
5[÷]9[=]
(A)x9=
[x]9[=]
5.0
0.6
5[÷]9[=]
[2ndF][MDF]
[x]9[=]
5.4
Statistics Calculations
[Statistics Calculation formulas]
x=∑x/n
sx= ∑x
2
2
-nx
/n-1
σx= ∑x
2
2
-nx
/n
∑x=x
+x
+...+x
(n: Number of samples)
1
2
n
∑x
2
2
2
2
=x
+x
+...x
1
2
n
[Single-variable Statistical Calculations]
As an example, obtain the statistics for the following data.
Ex.
Score
30
40
50
60
70
80
Number of
2
5
4
6
11 13
7
people
(2)
(3) STAT
[MODE]1
0.
30[,]2[DATA]
2.
n
40[,]5[DATA]
7.
n
50[,]4[DATA]
11.
n
60[,]6[DATA]
17.
n
70[,]11[DATA]
28.
n
80[,]13[DATA]
41.
n
90[,]7[DATA]
48.
n
100[,]2[DATA]
50.
n
[RCL][x]
69.2
x
[RCL][σx]
17.7583783
σx
3460.
∑x
[RCL][∑x]
17.93867103
[RCL][Sx]
sx
2
321.7959184
[x
][=]
sx
Calculation Ranges
10
sinx/cosx/tanx DEG: |X|<10
, (tan x : |x|≠90(2n-1))
10
RAD: |X|<(π/180)x0
, (tan x : |x|≠(π/2)(2n-1))
10
GRAD: |X|<(10/9)x10
,(tan x : |x|≠100(2n-1)), n is an integer.
-1
-1
sin
x/cos
x
x≤1
-1
100
tan
x
|x|<10
sinh x/cosh x/tanh x
|x|<230.2585092
© Lexibook 2005
-1
sinh
x
-1
cosh
x
{4}
-1
tanh
x
FIX, TAB=1
log x/ln x
-
5.55555555555x10
x
1
e
x9
x
10
FIX, TAB=1
DRG
0.6x9
DEG(D°M'S)
x
y
x
√y
√x
2
x
3
√x
-1
x
n!
nCr/nPr
x,y→r,θ
r,θ→x,y
90
100
2
*Errors are cumulative with such internal continuous calculations as y
(4)
etc., so accuracy may be adversely affected.
WARRANTY
This product is covered by our two-year warranty.
For warranty requirements or after sales service, please contact your local retailer with
your proof of purchase. Our warranty covers all manufacturer defaults but does not
cover deterioration due to non-respect of the Instruction Manual or bad handling of the
product (like sun or water exposure or dismantling of the product).
Warranty does not cover batteries.
Lexibook UK Limited
Ground Floor - Wolfe Lodge
2
Farnham Road, Bordon
Hants, GU35 0NH United Kingdom
Freephone helpline: 0808 100 3015 (for use in the UK only)
http://www.lexibook.com
50
|x|10
50
1≤x<10
|x|<1
-99
100
10
≤x<10
100
-10
<x≤230.2585092
100
-10
<x<100
100
DEG→RAD, GRAD→DEG : |X|<10
98
RAD→GRAD : |X|<(π/2)X10
10
|X|<10
100
y>0: -10
<x(log y)<100
y=0: x>0
y<0: x is an integer or x=±1(2n+1) where n is an integer
100
y>0: x≠0 and –10
<(logy)/x<100
y=0: x>0
y<0: x is an odd number or x=±1/n where n is a nature number
100
0≤x<10
50
|x|<10
100
|x|<10
100
|x|<10
(x≠0)
0≤n≤69 (n is an integer)
10
0≤r≤n≤10
(n, r are integers)
√(x
2
2
100
+y
)<10
100
0≤r<10
10
DEG: |θ|<10
10
RAD: |θ|<(π/180)x10
10
GRAD: |θ|<(10/9)x10
x
x
,
√, n!,
Ref: SC300iIM0115
3
√ and
10
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