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  1. Easy way to compute logarithms without a calculator?

    Feb 14, 2016 · I would need to be able to compute logarithms without using a calculator, just on paper. The result should be a fraction so it is the most accurate. For example I have seen this …

  2. Why does $a^ {\log_a (x)}=x$? - Mathematics Stack Exchange

    Dec 4, 2020 · Hence, $$ \log_a (a^x) = x \text { and } a^ {\log_a {x}}=x $$ are both true by definition. The hardest part is trying to explain why these two conceptions of logarithms, while …

  3. Interpretation of log differences - Mathematics Stack Exchange

    I am confused about the interpretation of log differences. Here a simple example: $$\log (2)-\log (1)=.3010$$ With my present understanding, I would interpret the result as follows: the …

  4. When log is written without a base, is the equation normally …

    In mathematics, $\log n$ is most often taken to be the natural logarithm. The notation $\ln (x)$ not seen frequently past multivariable calculus, since the logarithm base $10$ finds relatively little …

  5. Taylor Series for $\log (x)$ - Mathematics Stack Exchange

    Nov 29, 2013 · Does anyone know a closed form expression for the Taylor series of the function $f(x) = \\log(x)$ where $\\log(x)$ denotes the natural logarithm function?

  6. logarithms - how to expand the following -> $\log (x + y ...

    I know for a fact that it is not $\\log x + \\log y$, but Im unsure as to how to proceed.. I have checked the basic log properties but nowhere do they give an example of a statement like the …

  7. Easy way to remember Taylor Series for log (1+x)?

    May 2, 2015 · I think something is wrong with the derivation you have - notably, the first equation, $\log (1-x)=-\sum_ {n=1}^ {\infty}x^n$ is not true - you probably want a log around the sum on …

  8. How to figure out the log of a number without a calculator?

    Apr 23, 2017 · I have seen people look at log (several digit number) and rattle off the first couple of digits. I can get the value for small values (aka the popular or easy to know roots), but is …

  9. logarithms - How to type logarithmic functions into Desmos …

    Jun 2, 2022 · Does anyone know how to type logarithmic functions into Desmos graphing calculator (https://www.desmos.com/calculator) ? I need to type a function, in which y equals ...

  10. Why there is no formula $\\log(a) *\\log(b) = $(something)?

    Yes one can deduce that $\log a \log b$ is also $\log (b^ {\log a})$. These equations are not mentioned much, perhaps because they can easily be deduced from the other laws (and it …