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Online Graphing Calculators

 Calculator Name

Description of Features (Pros)

Could be Better if (Cons)

Inequality Graphing?

Equation Formatting Examples

EXCELLENT online graphing calculator that can graph up to 7 functions at the same time.
Adjustable scale, different color plots.		  YES
>, ≥, <, ≤		Use the carrot key ( ^ ) as the exponent key.

 Function Grapher

Graphs multiple plot in multiple colors, has zoom functions, and arrows to move the origin to get a better image of the graph. No direct export to a graphical file format like JPG or GIF

 YES
>, ≥, <, ≤

    Equation formatting:
             3x+2 and
   x² ─1 is entered as x^2─1

NOTE: The asterisk ( * ) is the multiplication key and the carrot ( ^ ) as the exponent key.
Graphical Function Explorer4-plotsNo background scaleYES
>, ≥, <, ≤
    Equation formatting:
        3*x+5, 2/5*x-9, x^2+4

NOTE: The asterisk ( * ) is the multiplication key and the carrot ( ^ ) is the exponent key.
4-plots; Scale auto-adjusts; Finds intersection points; Plots points X-Y background scale
 YES
>, ≥, <, ≤
    Equation formatting:
        3x+5, ─2x─3, and
    x²+1 is entered as x^2+1

NOTE: The carrot ( ^ ) is the exponent key.
 Graphing Calculator Up to 5-plot simultaneously; has a cursor point trackerSave graph as a *.PNG file format1 

NO

 
    Equation formatting:
3x+2 and
x²+1 is entered as x^2+1

NOTE: The asterisk ( * ) is the multiplication key and the carrot ( ^ ) is the exponent key.
(Java)
 Toggle grid background; Separate graph window; NO
    Equation formatting:
3x+2 and
   x²+1 is entered as x^2+1

NOTE: The carrot ( ^ ) is the exponent key.
Online 3-D Function Grapher3-D, good for higher level math like Calculus; RotatableOnly one graph at a time;
3-D only, cannot opt for a 2-D plot		NO
    Equation formatting:
3*x+2 and
   x²+1 is entered as x^2+1

NOTE: The asterisk ( * ) is the multiplication key and the carrot ( ^ ) is the exponent key.
GrapherLabel-able; Exportable image; Nomenclature for entering equationsNO
    Equation formatting:
        3*x+1 and
  x² must be entered as x*x

NOTE: The asterisk ( * ) is the multiplication key.
 FooPlot 5 color plots simultaneously; Pass equations in URL to automatically plot graph; Saves a PDF file; NO 
     

1 *.PNG file format - Portable Network Graphics (PNG) is a bitmapped image format that employs lossless data compression. PNG was created to improve upon and replace GIF (Graphics Interchange Format) as an image-file format not requiring a patent license.  PNG files are become the go to file format for website designers. It has the image quality of JPEG, and even higher, in many cases its also a smaller file-size, and like GIF, it supports transparency, however with a much higher quality output.