Manuals/calci/LN

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LN(number)


  • where is the any positive real number.

Description

  • This function gives the Natural Logarithm of a number.
  • is the logarithm in which the base is the irrational number (= 2.71828...).
  • For example,
  • It was formely also called Hyperbolic logarithm.
  • And also called Napierian logarithm.
  • The constant is called Euler's number.
  • The Natural Logarithm is denoted by or .
  • where is the Positive real number.
  • The is the inverse function of the exponential function if .

ZOS

  • The syntax is to calculate Natural logarithm in ZOS is .
    • where is the any positive real number.
  • For e.g.,LN(20..23)
Natural Logarithm

Examples

  • =LN(15) = 2.708050201
  • =LN(8.3) = 2.116255515
  • =LN(1) = 0
  • =LN(0) = INFINITY
  • =LN(-20) = NAN
  • =LN(exp(5)) = 5
  • =EXP(LN(7)) = 7

Related Videos

Natural Logarithm

See Also

References

Natural Logarithm