Looking for free graphing calculator for two-variable inequality

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  • Thread starter Hornbein
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  • #1
Hornbein
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TL;DR Summary
Looking for free graphing calculator for two-variable inequality.
I have a two-variable inequality and wish to make a graph of the regions in which it is satisfied. Is any such took available online for free?

A great many free online graphing calculators are available, but I expect the great majority won't do what I want.

Specifically I want to find the regions in which (1-b)/(1-b/2) < a is true, with a and b being probabilities.

Alternatively, if someone has such a tool and can post the graph here that would be nice.
 

Answers and Replies

  • #3
Hornbein
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GeoGebra did the trick with ease. Thanks a ton!

(I hate shopping for "free" software.)
 
  • #4
fresh_42
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GeoGebra did the trick with ease. Thanks a ton!

(I hate shopping for "free" software.)
It's difficult, some are better, others not, and some require too much practice to use properly. I used them for my challenge threads when I needed a graphic and mspaint is rather limited. Buying software for, say 4 graphics per year is not really an option.
 
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  • #5
MidgetDwarf
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You can download HP prime for desktop use, I believe, for free.
 

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