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   _____     ___     _    _      ___     _    _   
  / ___//   / _ \\  | || | ||   / _ \\  | |  | || 
  \___ \\  / //\ \\ | || | ||  / //\ \\ | |/\| || 
  /    // |  ___  ||| \\_/ || |  ___  |||  /\  || 
 /____//  |_||  |_|| \____//  |_||  |_|||_// \_|| 
`-----`   `-`   `-`   `---`   `-`   `-` `-`   `-`

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發送短信 : A note on rate of convergence in probability to semicircular law