Replace NaNs with the number that appears to its left in the row.
Back to basics 13 - Input variables
sum of first 'n' terms
How many jokers?
Sum the 'edge' values of a matrix
If you have matrix A, create matrix B using matrix A as an "element"
Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
ASCII code of a leter.
Area of a circle
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