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

radian

Notes

Symbol

rad

Other Name

r

Metric (SI) Equivalent

radian is a metric unit (in fact, it is a derived SI unit)

Metric (SI) Dimensions

plane-angle

Even though plane-angle is not an official metric (SI) dimension and could be dropped, it is shown in the dimensions for clarity.

Quantity

Plane Angle

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