Material for Namespace-Directory Synchronisation webinar and for Jupyter presentation at Dyalog '18.
Number stuff.
Takes one or more numbers and converts them to hexadecimal with a width which is a power of two.
Takes a matrix and returns the corresponding identity matrix.
Suitable for running on TryAPL.
Advanced with rich output.
Text stuff.
Takes a single character and returns the corresponding Unicode code point in hexacedimal, or vice versa.
Takes a text vector and returns the APL expression which would generate that text vector.