Documentation for infix >=, infix ≥ assembled from the following pages:

Language documentation: Operators §

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(Operators) infix >=, infix ≥ §

multi sub infix:«>=»(Int:D, Int:D)
multi sub infix:«>=»(Num:D, Num:D)
multi sub infix:«>=»(Real:D, Real:D)

Numeric greater than or equal to operator.

Coerces both arguments to Real (if necessary); returns True if the first argument is larger than or equal to the second.