"rad", "twoπ", "angl", "UnixEpoch", "SinclairZX81RAM" and "PageSize" return a standard uncertainty without a unit, while the value does have a unit. "MC12" and "ε₀" return a standard uncertainty with a unit different from the unit of the value.
"rad", "twoπ", "angl", "UnixEpoch", "SinclairZX81RAM" and "PageSize" return a standard uncertainty without a unit, while the value does have a unit.
"MC12" and "ε₀" return a standard uncertainty with a unit different from the unit of the value.