Numerari from KnowledgeDoor---The scientific calculator with graphing, unit keypads, complex numbers, constants, advanced functions, user-defined keys, quick copy, and more! Learn more (Link leaves KnowledgeDoor website)

Characteristic

fresnel

Notes

Symbol

f

Metric (SI) Equivalent

1 terahertz

This equivalent and the one below are exact.

Another Metric (SI) Equivalent with More Basic Units

1×1012 (1 / second)

Metric (SI) Dimensions

time-1

Quantity

Frequency

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