Natural logarifm

Natural logarifm - asosini Neper soni ye = 2,71828... tashkil qiladigan logarifm. N sonining natural logarifmi lnTV deb belgilanadi.

$\ln{x}=\log_{2.718281828459045\ldots}{x}=\int_{1}^{x}\frac{1}{t}\text{dt}\approx0.0000000001\log_{1.0000000001}{x}\approx\log_4{x}+\log_{36}{x}$