No. 
Symbol 
Description 
ⓐ 
Drawing
canvas 
twodimensional
drawing canvas which display a curve made by inputted formula
expression[Y=f(X)] 
ⓑ 
Total
num. of array elements 
Total
number of array[x, y] which is determined by performing calculation
of formula expression[Y=f(X)] 
ⓒ 
Status
field 
A
region which show the status of processing, error, exception, etc. 
ⓓ 
Coordinates
[X] 
X
value which the point device indicate in drawing canvas[ⓐ] 
ⓔ 
Coordinates
[Y] 
Y
value which the point device indicate in drawing canvas[ⓐ] 
ⓕ 
Result
Output fie 
A
result arrays[x, y] which is determined through calculation of
formula expression[Y=F(X)] 
ⓖ 
Function
input field 
As
a user input field, it is permitted that all of the formula
expression which satisfy necessary condition as a function[Y=F(X)] 
ⓗ 
Boundary
[x] 
Minimum
and Maximum values of Xaxis. 
ⓘ 
Boundary
[y] 
Minimum
and Maximum values of Yaxis 
ⓙ 
Origin 
X and Y values of Origin of this coordinate. The element of origin
should be located between min and max value of Xaxis and Yaxis
respectively 
ⓚ 
Run
button 
Perform
the drawing process 
ⓛ 
Stop
button 
button
Quit a current running process. You can quit current drawing process
which need enormous time on account of complicated, big formula
expression, if you want stop it immediately 
ⓜ 
Clear
button 
Clear
all data displayed on this applet window 
ⓝ 


ⓞ 


ⓟ 
Sample
button 
Various
sample data of array will be shown. You can test various fitting
methods with it. It help you to be accustomed in usage of this tool 