Compute LOG(1+X) in natural log
need add abs to the test cases
Make one big string out of two smaller strings
Flip the main diagonal of a matrix
Count up then down
Generate a NaN...on purpose
03 - Matrix Variables 3
Count number of words in string
Convert decimal to hex as shown in test cases
Convert given decimal number to binary number.
Find Excess 3 code of given decimal number.
Check that number is whole number
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