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What does psi stands for?

In: Units of Measure [Edit categories]

Answer:

Among other things, it may refer to a non-standard (non-SI) unit of pressure, "pounds per square inch".

Psi is a Greek letter in the Greek alphabet (uppercase Ψ) (lowercase ψ).
When it is used in mathematical form it is called The Reciprocal Fibonacci Constant (Fibonacci discovered it) and it equals approximately 3.35988566243177553172011302918927...

First answer by Hilmarz. Last edit by Jcjackson2427. Contributor trust: 0 [recommend contributor ]. Question popularity: 0 [recommend question].

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