DOWNLOAD version 1.21

Graphics - Explorer

half size examples
y = a(x-4)+3	y = a*sin(x)

y = 0.25x^2 - 5 {area}	y = 0.25(x-a)^2

- coördinate system 600 * 450 pixels
- crosshairs with (x,y) indication
- 9 different colors and formulas
- scrolling and zooming with mouseclick, x/y independent
- add or delete dots with mouseclick or by table editing
- recognizes 4 types of equations:



type		example	description
1	y = f(x)	y = 3cos(5x)	function
2	x = f(y)	x = (y-1)^2	inverse
3	y = f(v) ; x = g(v)	y = 5sin(2v) ; x = 7cos(3v)	parametric
4	f(x) = g(x)	(x^2+y^2)(y^2+x(x+10))=40x*y^2	implicit


- enter polynomials, degree 0..7, in "coefficient" table
- operations on polynomials:

• reflections
• integration
• differentiation
• sum, difference, product
- use of constants a,b,c in formula's
- a,b,c changable by mouseclick, graphics adjust automatically
- plot function (type 1) 1..3 times differentiated

by simply preceding it by d:, dd: or ddd: .
example: y = d:sin(2x)
- plot function (type 1) integrated

by simply preceding it by i: .
example: y = i: 5sin(x)

- compute the area under a function
- compute polynomial of degree 0..7 through 1..40 dots.
- compute exponential functions through set of dots

	y = a.b^x	y = a.b^x + c
	y = a.e^(bx)	y = a.e^(bx) + c
	y = e^(ax^2 + bx + c)

- all colors adjustable to personal preference.
- add personal heading to plots and prints.
- save / reload user settings
- save / reload formulas
- copy graphic image to clipboard
- print graphics
• 7 sizes
• black / white or colored
• with / without backgroundcolor
- mouse- or keyboard operation
- in line help documentation
- 484kB (.exe) file
- for Windows 95 and up
- screen minimal 800*600 pixels
- no installation procedure, no changes in Windows Registry.

y=5sin(v)+3sin(5v);x=5cos(v)+3cos(5v)	(x^2+y^2)(y^2+x(x+10))=32x*y^2

Below is a true size example of Graphics-Explorer.
Buttons, edit windows and pull-down menu are not pictured.

Pictured is a parametric function:
(the sharp bends are the result of insufficient number of steps)

y = c(1+sin(a*v))sin(b*v) ; x = c(1+sin(a*v))cos(b*v)

where

a=42.41 b=21.0 c=5 and v runs from 0 to 10 in 400 steps