1 Logarithm Calculator | log(x) Calculator
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Logarithm Calculator

Calculate logarithm of a number to any base:

log  
Result:
Description:

* Use e for scientific notation. E.g: 5e3, 4e-8, 1.45e12

When:

b y = x

Then the base b logarithm of a number x:

logb x = y

Anti-logarithm calculator

In order to calculate log-1(y) on the calculator, enter the base b (10 is the default value, enter e for e constant), enter the logarithm value y and press the = or calculate button:

 
Result:

When

y = logb x

The anti logarithm (or inverse logarithm) is calculated by raising the base b to the logarithm y:

x = logb-1(y) = b y

Logarithm rules

Logarithm product rule

logb(x × y) = logb(x) + logb(y)

Logarithm quotient rule

logb(x / y) = logb(x) - logb(y)

Logarithm power rule

logb(x y) = y × logb(x)

Logarithm base switch rule

logb(c) = 1 / logc(b)

Logarithm base change rule

logb(x) = logc(x) / logc(b)

 

 


See also
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Realistic strategy. Depiction, instances of explaining conditions - This article is committed to one of the bearings of the useful graphical strategy for comprehending conditions, in particular, the graphical technique. Initial, a portrayal of the realistic strategy is given: its embodiment is uncovered, it is said what the technique depends on, its avocation is given, the highlights of the technique are talked about identified with exactness. At that point comes the handy section: a calculation for tackling conditions utilizing a graphical strategy is composed and arrangements of regular models are appeared.

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