I use parentheses liberally so I don't have to think about precedence so much both when writing and when later reading. That said I don't add unneeded parenthe

I use parentheses liberally so I don't have to think about precedence so much both when writing and when later reading. That said I don't add unneeded parentheses for simple expressions or sub-expressions consisting only of exponents, multiplications, divisions, additions and/or subtractions.