While the power symbol made it into Unicode in 2015, it's been around for much longer. The goal in moving it to Unicode was to add a crucial symbol used around the world by the masses.

Electrical power Electrical power. ... (P = IV\) cannot be used to calculate the power. In these situations, we use Ohms close Ohms The unit of electrical resistance, whose symbol is Ω.

Here’s what the symbol means and where it came from. The iconic power symbol, explained The power symbol, which can still be seen on nearly all modern PCs and laptops, originated in the 1950s.

The power symbol is expressed in several ways, but most people are likely familiar with the circle that has a line extending from its center, breaking its border to the top.