Parse and evaluate expressions like these:
'1 + 2'
'51 - 78'
'42 * 9'
The only operators are +, -, *.
Both arguments will be integers between -50 and 50.
Solve Quadratic : No * - or key functions permitted
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Sum the elements in either diagonal of a square matrix
Generate a random matrix A of (1,-1)
Given area find sides
Convert double scalar to half-precision floating point (IEEE 754r)
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