Double Prime
″
Type it
| Unicode | U+2033 | |
|---|---|---|
| LaTeX | '' | |
| HTML entity | ″ | |
| Character | ″ |
Meaning
Written after a function name to mean its second derivative. It is also used for seconds of arc and for inches. Compare with Prime and Triple Prime.
How to read it
f″(x)
is read “f double prime of x”.