3.13.2 Greatest hits from previous weeks

3.13.2.1 Is there an open source implementation of Mathematica-the-language?

http://mathematica.stackexchange.com/questions/4454/is-there-an-open-source-implementation-of-mathematica-the-language

 
I've seen questions before such as "What is the best open-source equivalent for Mathematica?", but that specific question (and that line of inquiry in general) cares more about the computer algebra  ...
 

- asked by sblom (81 votes), answered by Simon (63 votes)

3.13.2.2 What are the most common pitfalls awaiting new users?

http://mathematica.stackexchange.com/questions/18393/what-are-the-most-common-pitfalls-awaiting-new-users

 
As you may already know, Mathematica is a wonderful piece of software. 
However, it has a few characteristics that tend to confuse new (and sometimes not-so-new) users. That can be clearly seen from  ...
 

- asked by Dr. belisarius (341 votes), answered by Michael E2 (195 votes)