Question: How to tell Maple Flow that the number you just entered is in Radians?

I should know this by now but its been a long day learning Maple Flow 2022 and my eyes are rolling back in my head and I'm not thinking clearly ... so maybe some kind soul will gentley remind me how to  specify a the units for a number are Radians ...

When I look at the Units Palette in Maple Flow I don't see a unit symbol for radians ... or did I miss it?

Altenately ...

An example for specifying feet ...
type the number
press Ctl+Shift+U
type ft

An example for specifying radians...
enter the number
press Ctl+Shift+U
type what?

I know Maple Flow 2022 uses Radians by default ... but  when I just type a number without specifying units it could be anything.

Thanks for any help.

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