Digits
Type: notation
When the digits of a number are unknown, they are often denoted as
\[
\overline{a_n\ldots a_1a_0}.
\]
The line above the variables denotes the $a_i$ as digits, not the variables multiplied by each other.
Type: notation
When the digits of a number are unknown, they are often denoted as
\[
\overline{a_n\ldots a_1a_0}.
\]
The line above the variables denotes the $a_i$ as digits, not the variables multiplied by each other.