operator-first notation

noun
UK /ˈɒpəreɪtə fɜːst nəʊˈteɪʃən/
US /ˈɑːpəreɪtər fɜːrst noʊˈteɪʃən/

A way of writing math where the action sign comes before the numbers.

In operator-first notation, you write + 3 4 instead of 3 + 4.


OTHER MEANINGS

2. A style of writing where the command word is placed before its inputs.

The calculator used operator-first notation, so the plus sign came first.

3. A notation used in computing where functions appear before their arguments.

Lisp uses operator-first notation for function calls.

4. A way to write expressions that removes the need for parentheses.

Operator-first notation makes grouping clear without brackets.