Have some math problems to resolve or any daily problems that require logarithm calculation or antilogarithm calculation for a specific number and with a specific logarithm base? The Log Calculator and Antilog Calculator makes the logarithm calculation which is a mathematical operation in which the logarithm of a number to a given base is the power or exponent to which the base must be raised in order to produce that specific number. It calculates the numbers in a log equation. All you have to do is enter the desired number and the logarithm base then the Log Calculator or Antilog Calculator will do the work. Enjoy!


Log Calculator and Antilog Calculator

Log: *
Base: *
Antilog of: *
Base: *

Disclaimer: Please note that the calculations produced by this tool may not be 100% accurate. The creator of this calculator is in no way liable of any actions which might be taken by users of this calculator.

How can the Log Calculator and Antilog Calculator help?

The Log Calculator and Antilog Calculator has 2 tabs each one designated to a method that it allows to calculate, as follows.

  • The tab one for the Log Calculator can help users calculate the logarithm for a specific number and with a specific base. For instance it calculates the log10(100000) which is equal to 5. The Log Calculator tab will return as well the antilog result in order to help users have a quick look on the numbers they used to calculate. For instance for the same case in which the user decided to calculate log10(100000), the Log Calculator will return as well the antilog which in this case is 105 = 100000.
  • The tab two for the Antilog Calculator can help users calculate the antilogarithm for a value and with a specific logarithm base. The Antilog calculator is known as well by the name of Anti Log or Inverse Log calculator with the same  meaning: it calculates the Inverse Log values with respect to the base values. Antilog or the inverse logarithmis simply the inverse log calculation. More specific, if is given the logarithm of a number, you can compute the value of the number itself by taking the antilog. For instance it calculates the antilog of 12 with the e(2.71828183) as logarithm base that is equal to 162754.791419. The Antilog Calculator tab will return as well the logarithm expression in order to help users have a quick look on the numbers they used to calculate. For instance for the same case in which the user decided to calculate antilog of 12 with e as base, the Antilog Calculator will return the logarithm expression for this case which is loge(162754.791419) = 12.

What are the log laws and rules?

  • Logarithm formula:

When: b y = a. Results that the base b logarithm of a number a is logb a = y

  • Antilogarithm formula:

When: y = logb a. Results that the antilogarithm (inverse logarithm) is determined by raising the base b to the logarithm y: a = logb-1(y) = b y

  • The product rule of the logarithm:

logb(n ∙ m) = logb(n) + logb(m)

  • The Logarithm quotient rule

logb(n / m) = logb(n) - logb(m)

  • The power rule of the Logarithm

logb(a y) = y ∙ logb(a)

  • Logarithm base change rule

logb(a) = logc(a) / logc(b)

  • Logarithm base switch rule

logb(a) = 1 / loga(b)

07 Nov, 2013 | 0 comments | 3669 views

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