Table of Integrals, Series, and Products, 8th Edition

Notation

Symbol	Meaning
$\lfloor x\rfloor$	The integral part of the real number x (also denoted by [x]).
${\displaystyle {\int }_a^{\left(b+\right)}{\displaystyle {\int }_a^{\left(b-\right)}}}$	Contour integrals; the path of integration starting at the point a extends to the point b (along a straight line unless there is an indication to the contrary), encircles the point b along a small circle in the positive (negative) direction, and returns to the point a, proceeding along the original path in the opposite direction.
${\displaystyle {\int }_C}$	Line integral along ...