When the irrational number e, approximated by 2.71828, pops up unexpectedly in a formula, much to the delight of mathematicians—their seeing e in an equation is like experiencing an aha! feeling, as they are aroused by its presence.
Be it in a cell phone being charged to a chain that hangs freely and is supported at two ends to the decay of a radioactive substance, the formulas modeling these events all involve the e factor.
by MathPlus March 06, 2018
buy the domain for your diy vlog