In mathematics, the exponential integral Ei is a special function on the complex plane.
Read more about Exponential Integral: Definitions, Properties, Applications
Famous quotes containing the word integral:
“An island always pleases my imagination, even the smallest, as a small continent and integral portion of the globe. I have a fancy for building my hut on one. Even a bare, grassy isle, which I can see entirely over at a glance, has some undefined and mysterious charm for me.”
—Henry David Thoreau (1817–1862)