Excel Function Wall Clock
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. Reading this clock is almost as much of an education in Excel functions as attending one of our seminars!
Hang this clock in an accounting department and everyone will "get it". Hang it anywhere else and people will be scratching their heads. Available exclusively from the MrExcel store at CafePress.
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Here is the number-by-number explanation of the clock:
=MIN(1,10)- Start off easy - the
=MIN()function returns the minimum of the arguments passed to it. In this case, the minimum of 1 and 10 is 1.
=MONTH(23790)- Excel stores dates as the number of days since January 1, 1900. This particular date serial number is February 17, 1965 (please- no expensive birthday gifts are necessary for MrExcel...). If you have a column of dates, you will often want to extract the year or month of the date. Using the
=MONTH()function will return the month number of that date. In our case, February is a 2
=INT(PI())- This concept for the clock started when I thought about using =PI() instead of the 3 on a clock. Except, since
PI()returns 3.141579, I figured I would have to put this function about 1/7th of the way between the 3 and 4. Then, I realized that I could use the
INT()function to chop of the decimals and keep only the 3
=LEN("FOUR")- A great text function is
LEN(). It will return the length of any text string. Most of the time, this may not be that useful, but you will find it comes in handy for getting the 2 character state code from a bunch of addresses that look like "Akron, OH 44313". Use
=MID(A2, Len(A2) - 7, 2). In this case, since the word "FOUR" has 4 characters, the result of
=SQRT(25)- You can take the square root of any number using
SQRT(). The Square Root of a number is a number than when multiplied by itself will yield the original number. In this case,
5 x 5=25, so the square root of 25 is 5
FACT()function returns the Factorial of a number. The Factorial of 10 is
10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1. This function is great for statisticians calculating combinations and permutations. In our case, the Factorial of 3 is
3 x 2 x 1or 6
=GCD(77, 49)- I remember there was some huge, complex, long manual formula for figuring out the Greatest Common Divisor when I was in 7th grade math with Mr. Irwin. If only Microsoft would have invented the Analysis Tool Pack in 1977, that entire week of calculating greatest common divisor could have been replaced with a couple of
GCD()functions. The greatest common divisor of 77 and 49 is 7
=2 ^ 3- Did you know that you can have an exponent in Excel by using the
^sign? This equation is 2 raised to the third power, which is
2 x 2 x 2. This is sort of a complicated way to get 8, but you can calculate the expected return on $100 invested in a passbook savings account earning 4% interest for 18 years with
=100 * 1.04 ^ 18. In our case,
2 x 2 x 2is 8
=PMT(9%, 9, -53.96)- The most useful of the loan functions is the
PMT()function. If you borrowed $53.96 from the bank to buy some MrExcel books and had to pay it back over 9 years with a 9% interest rate, each yearly payment would be $9.
=LCM(2, 5)- Here is another function from the analysis tool pack that could have shaved a week off of 7th grade mathematics. The Lowest Common Multiple of 2 and 5 is 10
=ROMAN(2)- Did you know that you can calculate roman numerals in Excel? Enter
=ROMAN(1981)in Excel and the producers of "An American Werewolf in London" would know that their copyright line at the end of the credits should say MCMLXXXI. Did Microsoft add this function in Excel just for movie makers? Who else uses Roman Numerals? Actually, if Kenneth Lay would have presented all of their financial statements in Roman Numerals, perhaps ENRON would have gotten away with it. So, if you have bad financial news to report to the boss, present your revenue forecast with the
ROMAN()function. Or, if you need a good function for 11 on your clock, then take
ROMAN(2), which, of course, is II. (pun intended).
=COLUMN(L1)- You can't have an Excel Function clock without one of those crazy Information functions. The
COLUMN()function will tell you from which column a particular cell resides. In our case,
COLUMN(L1)will tell us that L is column number 12
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