Came across this picture of an interesting clock face…
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Finally a clock anyone can read!
Herb
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I understood all but the numeral for 5 o’clock. I must have been absent that day in class. The ! , is new to me.
Herb
! is a mathematical symbol for a factorial…
the square root of 9 is 3…
3! = 6… (factorial of 3)
9 ÷ 9 =1
6 - 1 = 5
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