unquoted words:sincostanseccscasinacosatanasecacscsinhcoshtanhcotharcmaxminlimloglnexpReImandiffordetquoted words:sincostanseccscasinacosatanasecacscsinhcoshtanhcotharcmaxminlimloglnexpReImandiffordetfont operations:sinsinsuperstring:sinuscomposite word:tan=sin/cos