Differential and integral calculus are founded on "limits," expressions that take a definite numerical value despite being formally undefined, such as h/h where h is 0, or is infinite. This image illustrates the precise definition of "limit" for a real sequence. The crux is, no matter which horizontal strip we pick centered on the limit, only finitely many terms of the sequence lie outside the strip.
Printed on high-quality 170 gsm poster paper with a satin finish.
