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How to enter an exclamation (!) for a factorial in Calculus lessons


Article ID 3048
Product PLATO Web Learning Network
Issue How to enter an exclamation (!) for a factorial in Calculus lessons, e.g. Preliminary Results on Infinite Series. The exclamation point key is not accepted. In Calculus 1 & 2, such as in Calculus 2 > Introduction to Series > Preliminary Results on Infinite Series, section 5, the required answer includes an exclamation point (!), which represents the factorial function. Pressing Shift-1 does not display an exclamation point or anything else and the answer is not accepted. There is no reference to factorial in the Special Keys text.
Resolution Press period (.) to enter a factorial symbol (!) in Calculus

Details

Resolution

The entry required for a factorial (exclamation point; !) in Calculus 1 & 2 is to press the period (.) key. This will appear on the screen as a period, but the answer will be accepted.

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