≈Almost equal

To produce an almost equal/approximately equal sign:

Windows
Alt 2248 (using the numerical keyboard, with Num lock on)
Ubuntu
Ctrl ⇧ Shift u 2248 ⏎ Return (or Space)
Unicode
U+2248
HTML
≈ · ≈ · ≈
LaTeX
\approx

Similar characters:  ·  ·  ·  ·

Japanese variant: