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Pi, Natural Logarithm Base e

Pi

Input π by pressing (π).

π is displayed as 3.141592654, but π = 3.1415926535897932384626 is used for internal calculations.

Natural Logarithm Base e

Input e by pressing (e).

Natural Logarithm Base e is displayed as 2.718281828, but e = 2.7182818284590452353602 is used for internal calculations.

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