The way I was taught growing up, brackets are [these]. Parenthesis are (these).
Yes, technically the latter are also brackets. But they can also be called parenthesis, whereas the former is exclusively a bracket. So we were taught to call them separate words to differentiate while doing equations.
Deebster@infosec.pub 4 months ago
I learnt it as BODMAS (brackets, orders, division and multiplication, addition and subtraction).