0
Actually we don't. Any number greater than 1 can be used; it need not even be a whole number. In computer science, the number 2 is often used as a base; in advanced math, the number "e" is often used - this number is approximately 2.71828..., and for theoretical reasons it is considered to be the most "natural" base for logarithms. In fact, the logarithms in base "e" are called "natural logarithms".
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What is the logarithm of 1.0?
Zero, in logs to base 10, base e, or any base.
How do you take anti log?
To take the antilogarithm of a number, you raise the base of the logarithm to the power of that number. For example, if you have a logarithm with base 10 and you want to find the antilog of ( x ), you would calculate ( 10^x ). Similarly, for a natural logarithm (base ( e )), you would compute ( e^x ). This process effectively reverses the logarithmic operation, yielding the original value before the logarithm was applied.
What is the logarithm of 1.5?
The logarithm of 1.5 is approximately 0.1760912591... Your logarithm is base 10, and the natural logarithm of 1.5 (base e), is approximately 0.4054651081... Example base: 8 Approximately: 0.1949875002...
What is a common logarithm?
Logarithms can be taken to any base. Common logarithms are logarithms taken to base 10; it is sometimes abbreviated to lg. Natural logarithms are logarithms taken to base e (= 2.71828....); it is usually abbreviated to ln.
What is the base 10 logarithm called?
The base 10 logarithm is called the "common logarithm". * * * * * It is also called the 'Briggsian logarithm', named after Henry Briggs, who introduced his table of logarithms on base 10 at Oxford in 1624, much to the joy of navigators, astronomers, and others having tedious calculations to perform.
