|
|
|
|
|
|
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 …) |
Nanosecond is equal to 10-9 second (unit of time), comes from a combination of the metric prefix nano (n) with the second (s). Plural name is nanoseconds with symbol is ns.
A century (from the Latin centum, meaning one hundred; abbreviated c.) is a period of 100 years.