Is there any difference between V5R20 and V5R21, are they are same or different

Hi i am new to Catia software. I have software which is Catia V5R20, as i am new to it practicing it from a tutorial book catia V5R21. Is there any difference between V5R20 and V5R21, are they same or they are different.

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5 Answers

Almost same......you can practice by what you have,

 
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they are almost the same. but there is some differences in some modules with extra commands.

 
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I have both. After using both for almost a year, I've found no difference whatsoever, at least with commonly-used commands.

 
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