Contribute correction: Minicalc

             ___      _____      ___    
  ____      / _ \\   /  ___||   / _ \\  
 |    \\   | / \ || | // __    / //\ \\ 
 | [] ||   | \_/ || | \\_\ || |  ___  ||
 |  __//    \___//   \____//  |_||  |_||
 |_|`-`     `---`     `---`   `-`   `-` 
 `-`