It is rather late in the season, but this is a gift that gives all year long:
This hilarious clock is the perfect accessory for any Excel power user. Each numeral has been replaced with a suitable Excel function that will evaluate to that numeral.
We've used one function from as many function categories as possible to really provide a broad range of functions.
=FACT(3) - The FACT() function returns the Factorial of a number. The Factorial of 10 is 10x9x8x7x6x5x4x3x2x1. This function is great for statisticians calculating combinations and permutations. In our case, the Factorial of 3 is 3x2x1 or 6