|
|
|
|
|
|
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 …) |
The second (symbol: s) (abbreviated s or sec) is the base unit of time in the International System of Units / Système International d'Unités (SI).
A helek is 3⅓ seconds or 1/18 minute.