unquoted words:sincostan seccsc asinacosatanasec acscsinh coshtanhcotharc maxminlimloglnexpReImandiffordet—quoted words: sincos tanseccscasinacosatanasecacscsinhcoshtanhcotharcmaxminlimloglnexpReImandiffordet—font operations: sinsin—superstring:sinus—composite word: tan=sin/ cos