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Symbol | Definition |
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≡ | 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 …) |
Foot per minute is unit of speed. It equals 0.00508 meter per second or 60 feet per hour. Plural name is feet / minute.
Inch per second is unit of speed, its symbol is ips or in/s. It equals to 0.0254 meter per second or 60 inches per minute. Plural name is inches per second.