Function Grapher

 
 
  Function Grapher is a graph maker to create 2D, 2.5D and 3D function graphs, animations and table graphs. It's very useful for teachers and students to teach or study algebra, calculus etc.  
 
 
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  Features  
  Creating 2D function graphs, animations and table graphs on Function Grapher  
 
Feature
Sample
Note

Functions can be in the form of explicit, parametric, piecewise, implicit and inequality
Function graphs of 4 curves in explicit form.
 Explicit form:
y=x-x^3/6+x^5/120; y=x;
y=x-x^3/6; y=sin(x)
graph function on Function Grapher
 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 graph can be created on this graph maker.
 Inequality form:
a-r<0

Cartesian and polar coordinate systems
Cartesian coordinate system:
y=x^2; y=1.5x+1
Creating polar graph on Function Grapher
 Polar coordinate system:
r=10sin(2a)

coordinate graph animation
sin(x*y-t)<0

Use table data to create 2D line graphs
 

Scatter plot
 

Curve smoothing
 

Step plot
y=sin(x)*2

Stem plot
y=sin(x)*2

Tens of functions are provided

    

High quality graph effect, the curve created is very smooth

    
 
  Creating 2.5D function graphs, animations and table graphs on Function Grapher
Functions can be in the form of explicit and parametric
Cartesian and polar coordinate systems
Function graph animation
Use table data to create 2.5D graph
Creating 3D function graphs, animations and table graphs on Function Grapher 		 
 
Feature
Sample
Note
Functions can be in the form of explicit and parametric    
Cartesian, cylindrical and spherical coordinate systems
Create 3d funciton graphs on this graph maker
 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
Create a 3d curve on Function Grapher
 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
 
Texture
 
Transparency
 
Material and light    
Vertex, mesh and surface models    
High quality graph effect    
 
  Creating color map, contour plot and vector field on Function Grapher  
 
Feature
Sample
Note
Color map, contour plot and vector plot
Beautiful special graphs can be created on this graph maker.
 colormap+contour+vector
x=u, y=v, z=sin(u)sin(v)
colormap+contour
Surface+other graph
Add contour plot under the 3d surface on Function Grapher
 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		  
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"Very good graphing calcualtor for college teachers and students." ----SoftPile Software Library

  
       
 
   
       
  Math Software -> Visual Math -> Function Grapher    
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