Knowing that 123-45-67+89=100, write a function that gives this result for any order of the digits in the input. Otherwise, the function should give 'NaN'.
Find best placement for ordered dominoes (harder)
Make a run-length companion vector
Multiply 2 numbers
05 - Vector Equations 1
Solving Quadratic Equations (Version 1)
Alternating 1´s and 0´s in a matrix
Double the next!
Get the mean digit
Sum of a geometric series
Approximate the inverse tangent by power series
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