Do rounding towards plus infinity.
Example: -8.8, answer -8
+8.1 answer 9
+8.50 answer 9
Back to basics 14 - Keywords
Back to basics 21 - Matrix replicating
Do Fast Fourier Transformation
Square root of a number
Find out characteristics equation of given matrix.
Find out output of following expression
Count number of words in string
Converter temp 0 to 200 degree C to 4 to 20mA
Convert decimal to hex as shown in test cases
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