Same here. E.g. I remember I had a problem with the proper understanding of AND and OR. But it wasn't because I didn't understand the words, it was because I di

Same here. E.g. I remember I had a problem with the proper understanding of AND and OR. But it wasn't because I didn't understand the words, it was because I didn't get the concept at first. I pissed myself off quite a bit when my logical expression of something like "IF B<50 AND B>100" didn't work. Then my mother, who was also a programmer helped that I indeed needed an OR. I learned it, but it didn't make sense, because that's not what how I would have said it in (any!) natural language. Later on I've figured out that my misunderstanding was caused by the fact that while I've written "IF B<50 AND B>100" I meant "IF B<50 AND IF B>100", or more precisely "WHEN B<50 AND WHEN B>100". I also remember the surprise when learning that PEEK and POKE (two keywords in BASIC) actually both mean something and not just made up pair of words.