3 ms·
It could vary by country as well, when I grew up and went to school it was used a whole lot. I don't remember the last time I saw it though, and since moving ab
by wingerlang 10y ago
It could vary by country as well, when I grew up and went to school it was used a whole lot. I don't remember the last time I saw it though, and since moving abroad I definitely haven't seen it.
- Freak_NL 10y agoIt varies a lot by trade and profession. Any place where complex scheduling is part of the job tends to use them (e.g., schools, manufacturing plants, accounting).