Thursday, 1 June 2017

τ | tau

The Greek letter τ (tau) was derived from the ancient Phoenician letter 𐤕 (tāw) which, in turn, was derived from an Egyptian hieroglyph meaning “mark”.

The lower-case τ has many uses in maths, engineering and sciences, such as:

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

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