Reference: deleteFunction
deleteFunction(fname) deletes the user function with identifier "fname".
Example:
f ≔ "x, y, z" ↦ "2⋅x^2 + y^2 − 3⋅z^2"
f(6, 2, 3)
49
deleteFunction("f")
f(6, 2, 3)
Unknown identifier: Unknown identifier "f".