Differences of NXT Logo and Imagine Logo

NXT Logo is derived from Imagine Logo but due to the way we represent the values internally and for efficiency reasons, we chose to modify the original language a little bit. First of all, NXT Logo is only a based on a small subset of the rich Imagine features - see the reference guide for the list of features of NXT Logo, but even this subset was modified slightly as follows (this document is interesting for you only if you are an experienced Imagine Logo user):