| − | A '''limit''' is a proccess in mathematics which aims to find the value of a constant of a function as it approaches a certain number or infinity. [http://www.freemathhelp.com/find-limit.html] | + | A '''limit''' is a proccess in mathematics which aims to find the value of a constant of a function as it approaches a certain number or infinity. <ref>http://www.freemathhelp.com/find-limit.html</ref> |