№≡─│┌┐└┘├┤‖┬┴┼═║╒╓╔╕╖╗╘╙╚╛╜╝╞╟╠╡╢☺░▒▓■□▪▫♠☼♀♂♪♫♥♦ ▀▄█▌▐∞∑֍۩™←↑→↓↕↔
yes, these are actual characters.
also, if you are bored in math class, just look at this