How to type Standard Deviation symbol or Sigma (Σ) Symbol?
Everyone is familiar with Sigma (Σ), Ohm (Ω), and Degrees (°), these symbols. But can you type Standard Deviation symbol on a laptop or computer? No, then read this article to the end. Sigma is a sign or symbol. It is on the eighteenth number of the Greek alphabet. In lowercase, it is written as σ, while […]