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Modify Function
{1}
{2}
{3}
5÷9=(A)
5[÷]9[=]
0.6
(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
people
(3) STAT
(2)
[MODE]1
0.
30[,]2[DATA]
2.
40[,]5[DATA]
7.
50[,]4[DATA]
11.
60[,]6[DATA]
17.
70[,]11[DATA]
28.
80[,]13[DATA]
41.
90[,]7[DATA]
48.
100[,]2[DATA]
50.
[RCL][x]
69.2
[RCL][σx]
17.7583783
3460.
[RCL][∑x]
17.93867103
[RCL][Sx]
2
321.7959184
[x
][=]
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
7
2
*Errors are cumulative with such internal continuous calculations as y
(4)
etc., so accuracy may be adversely affected.
n
WARRANTY
n
n
This product is covered by our two-year warranty.
n
n
For warranty requirements or after sales service, please contact your local retailer with
n
your proof of purchase. Our warranty covers all manufacturer defaults but does not
n
cover deterioration due to non-respect of the Instruction Manual or bad handling of the
n
product (like sun or water exposure or dismantling of the product).
x
σx
Warranty does not cover batteries.
∑x
Lexibook UK Limited
sx
Ground Floor - Wolfe Lodge
2
sx
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)
2
2
100
√(x
+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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