Why is rand out on these ? :)
Get the area codes from a list of phone numbers
System of equations
Length of the hypotenuse
Side of an equilateral triangle
Calculate the sphericity of a Raschig ring
Trace the path of a harmful chemical in an ecological network
Design a tubesheet for shell-and-tube heat exchangers
Compute the missing quantity among P, V, T for an ideal gas
Propagate the effects of a blockage in a chemical plant
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