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1. Why do functions always require brackets even when there are no arguments?
Brackets denote where the arguments must go
Parentheses (brackets) are what distinguish functions from range names in Excel
Other computer programs also require brackets
2. When creating formulae, what is the “Rule of Thumb”?
Functions used in an Excel formula should be as recognizable to an end user as their thumbs
Ideally, no formula should be longer than your thumb in the formula bar
As a general principle (i.e. Rule of Thumb), use CRaFT to build your models when you can
3. Which of the following functions is not a logic function?
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