|
|
|
|
|
|
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
Square nanometre or Square nanometer is a SI prefixes applied unit of area, symbol nm2, is a multiple of the of SI prefixes (nano) used with the metre.
A megabarn (symbol: Mb) is a unit of area equal to 10−22 m2.