Tuesday, 30 May 2017

ρ | rho

The Greek letter ρ (rho) was derived from the ancient Phoenician letter 𐤓 (rēš), which is thought to have come from a pictogram of a head. As a numeral, ρ has a value of 100. Incidentally, this is our 100th post.

The lower-case ρ (or its variant ϱ) has many uses in maths and sciences, such as:

More photos of letters, numbers and sea glass @ Shutterstock.

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