運算

to perform calculations / (mathematical) operation

to move / to transport / to use / to apply / fortune / luck / fate

to regard as / to figure / to calculate / to compute

ternary operator (computing)

the four basic operations of arithmetic (addition, subtraction, multiplication and division)

floating point operation

inverse operation / inverse calculation

(math.) expression (arithmetic, Boolean etc)

operand (math.)

rules of arithmetic

operating environment