- Computer science
- Open source
- Former programmer (several decades ago) in COBOL and assembly language
- See also the boxes at right
- Education
- Entertainment
- Languages
- By languages (here: by fluency)
- See "Babel" at right
- Learnt in high school and mostly forgot
- Other: a smattering of isolated phrases
- Translator (former en, nl → fr)
- Mathematics (former high-school teacher)
- Philosophy (amateur)
- Photography (amateur) cityscapes, public transportation, ...
- Physics (former high-school teacher)
Having started at approximately the same date, I am also a saber-toothed tiger (or so labelled) in Esperantujo and a woolly rhinoceros (or labelled as such) in the French-speaking world. I'll never understand biowikipediology.
