This little website shows you the constant and symbol and, where applicable, the numerical value of a mathematical or physical constant.

Just choose a constant:

Here is a random symbol:

Electron Atomic Mass

Electron Atomic Mass can be represented by the symbol:

Its value is:

5.485794249 × 10

-4

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We're always adding new constants and symbols to the database, and would love to hear your suggestions. What are we missing?