When x approaches positive infinity or negative infinity, the limit of [1+( 1/x)] X is equal to e, which is actually discovered through this limit.
It is an infinite cyclic decimal. Its value is about 2.7 1828 1828 ... It uses e to represent the logarithm based on e, and is usually used in the field of science and technology. Moreover, e is also a transcendental number. Logarithms based on 10 are generally not used. Based on e, many formulas can be simplified. Therefore, it is called "natural logarithm". Vortex or spiral is a very common form of natural things, such as: a wisp of smoke curling up, ripples swaying gently on the blue lake, several snails slowly climbing the fence and countless stars dancing in the quiet night sky ... The aesthetic significance of spiral, especially logarithmic spiral, can be expressed in exponential form: φkρ=αe, where α and k are constants. E is the base of natural logarithm. For the convenience of discussion, we define E or E as "natural law". So the core of "natural law" is e, and its value is 2.7 1828 ... which is an infinite cyclic number.