Returns or sets the options associated with a symbol.
Options[symbol]or Options["symbol"]
Options[expr]
Options[stream]
Options[object]
Options[obj, name]
Options[obj, {name1, name2, …}]
Options[Total]
→ {AllowedHeads -> Automatic, Method -> Automatic}Options[Factor]
→ {Extension -> None, GaussianIntegers -> False, Modulus -> 0, Trig -> False}Options[Series]
→ {Analytic -> True, Assumptions :> $Assumptions, SeriesTermGoal -> Automatic}Options[Simplify, TimeConstraint]
→ {TimeConstraint -> 300}Options[Sin]
→ {}SetOptions[Total, Method -> "X"]
→ {AllowedHeads -> Automatic, Method -> X}SetOptions[Total, Method -> 7]; OptionValue[Total, Method]
→ 7SetOptions[Total, Bogus -> 1, Method -> 9]
→
SetOptions::optnf: Bogus is not a known option for Total.
SetOptions[Total, Bogus -> 1, Method -> 9]