👉 Parens, or parentheses, are a set of symbols used to group and organize terms within an expression. They help clarify the meaning of expressions by grouping similar items together in different ways.
For example:
1. (x + y)
z = x^2 + 2xy + y^2
In this case, the "parentheses" are used to separate two terms, where each term is enclosed within parentheses.
2. (a + b) / c = a +