4 Decisions and Loops: Which Is Bigger? How Many Times?
4.1 Why Comparisons?
Computer programs are typically written to be run with a general range of input values. For example, if a program segment required the solution of a quadratic equation of the form
the roots may be real or complex, depending on the value of the discriminant
VBA is not capable of taking the square root of a negative number. Therefore, a program to solve a quadratic ...
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