Function Grapher

Creating 2D coordinate graphs, animations and table graphs

Feature	Sample	Note
Functions can be in the form of explicit, parametric, piecewise, implicit and inequality		Explicit form: y=x-x^3/6+x^5/120; y=x; y=x-x^3/6; y=sin(x)
		Parametric form: x=5cos(u)+3,y=3sin(u)+5; x=2cos(u)+1,y=2sin(u)-2
		Piecewise form: y=x-1, if x<-1 y=-1, if x=-1 y=x+1, if x>-1
		Implicit form: x^2-y^2-1=0
		Inequality form: a-r<0
Cartesian and polar coordinate systems		Cartesian coordinate system: y=x^2; y=1.5x+1
		Polar coordinate system: r=10sin(2a)
coordinate graph animation		sin(x*y-t)<0
Graph of inverse function		y=sin(x) and it's inverse function
Graph of derivative function		y=log(x) and it's derivative function dy/dx
Parity of function		y=sin(x) then let x'=-x
Maximum, minimum and inflexion		y=cos(x)
Integration
Root		y=(x-1)^2-2
The length of curve
Tangent and normal		y=sin(x)
Curvature circle		y=cos(x)
Point of intersection(Solve equation) Area of intersectant field		y=x^2-3, y=x+1
Use table data to create 2D line graphs
Scatter plot
Curve smoothing
Step plot		y=sin(x)*2
Stem plot		y=sin(x)*2
Graph of ordinary differential equation		dy/dx=sqr( x^2+y^2)
Graph of limit
Graph of series
Tens of functions are provided
High quality graph effect, the curve created is very smooth

Creating 2.5D coordinate graphs, animations and table graphs
Functions can be in the form of explicit and parametric
Cartesian and polar coordinate systems
coordinate graph animation
Use table data to create 2.5D graph
Creating 3D coordinate graphs, animations and table graphs

Feature	Sample	Note
Functions can be in the form of explicit and parametric
Cartesian, cylindrical and spherical coordinate systems		Cartesian coordinate system: z=sin(x)sin(y) z=x^2+y^2
		Cylindrical coordinate system: a=u, r=3+sin(9u)cos(v), z=v
		Spherical coordinate system: r=2sin(4b+cos(4a))
3D curve and 3D surface		3D curve: a=u, r=10sin(u), z=u
		3D surface: a=v, r=5+cos(u), z=v+sin(u)
3D curve and 3D surface animation		3D curve animation: a=t*cos(2pi*u), b=2pi*u, r=5
		3D surface animation : z=sin((x^2+y^2)^0.5-t)
Use table data to create 3D surface
Surface by rotation		2D Curve y=cos(x)
		Rotating About Y Axis
		Rotating About X Axis
Graph of partial derivative function		3D Surface z=sin(x)y
		dz/dx
		dz/dy
Tangent line and normal plane of 3D curve		x=sin(u), y=cos(u), z=u
Tangent plane and normal line of 3D surface		z=cos(x)*cos(y)
3D vector and it's subvector and projection		A 3D Vector
3D vector operation		Vector Product Of Two Vectors
Texture
Transparency
Material and light
Vertex, mesh and surface models
High quality graph effect

Creating color map, contour plot and vector plot

Feature	Sample	Note
Color map, contour plot and vector plot		colormap+contour+vector x=u, y=v, z=sin(u)sin(v)
		colormap+contour
Surface+other graph		contour+surface x=u, y=v, z=u^2+v^2

Ability to set and modify the properties of coordinate graphs, animations and table
graphs
Ability to move, zoom in, zoom out and rotate the graphs in plot area
Ability to save graphs as pgp file or bmp file
Ability to save animation as AVI file
Free Tools
Expression Calculator