All the scientists I know on Python (N > 30) use matplotlib and (numpy or scipy or pandas). Some niche libraries for certain data formats are also necessary. Th

All the scientists I know on Python (N > 30) use matplotlib and (numpy or scipy or pandas). Some niche libraries for certain data formats are also necessary. These libraries are compatible in 2 and 3, and are easy to install with pip or conda, so everyone I've shown them to has made the jump quickly from Matlab, IDL, and others.