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  _____    __   __   _    _    __   __    ______  
 / ____||  \ \\/ // | || | ||  \ \\/ //  /_   _// 
/ //---`'   \ ` //  | || | ||   \ ` //   `-| |,-  
\ \\___      | ||   | \\_/ ||    | ||      | ||   
 \_____||    |_||    \____//     |_||      |_||   
  `----`     `-`'     `---`      `-`'      `-`'

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Text this: Flash-based interactive learning of fundamental fourier analysis