Logarithm of a positive real number x with respect to base b

Formula

Logarithm of a positive real number x with respect to base b formula
y
logarithm of a number x with respect to base b
b
base, a positive real number not equal to 1
x
a positive number

Formula description

The logarithm of a number is the exponent by which a fixed number, the base, has to be raised to produce that number.

Calculator (how to use calculator?)

Logarithm of a positive real number x with respect to base b formula
b
x
y
Precision

Formula code

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References

  1. wikipedia: Logarithm.

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