Logarithms and Exponents

 

Laws of Exponents

  

Laws of Logarithms

 

Relationship Between Exponents and Logarithms

 k: Logarithm of W to the base a.

a: Base of the Logarithm.

When the base is a=10, we omit it from the notation:

 

Natural-Napierian Logarithms

When the base of the logarithm is the Euler's number e=2,71… the logarithm is called natural logarithm or Napierian Logarithm. Its notation is different:

 

Relationship Between Exponents and Trigonometric Functions