How to denote an array in writing paper How can I represent an array when I am writing to show an algorithm in writing paper. Like Pi is represented by Greek letter. We use that Greek symbol to denote the value of Pi, Kind of like a pointer.

So, is there any general symbol for representing array?
People often use capital letters to represent arrays.  $A$ is a common choice (for the 'a' in 'array'), but by no means mandatory.