Board Thread:Fun and Games/@comment-35319541-20180504041259/@comment-34532495-20180505173054

Alumni72 wrote: Horrible at math, but I think it says I ate sigma pie?

(someone pleae let me know if I am close - I am no mathematician by any means, but I've heard them talking in the past - and I think the square root of -1 is 1 (or easily replaced by the letter I, if that is true ... and 2 cubed is 8 (do they even say cubed any more?) and that's a Sigma, I think).  And these days everybody knows Pi. Okay, you asked for it!

In real numbers, (numbers that can be represented on a number line), there is no solution to the square root of -1. The square root of a number is another number which when multiplied by itself yields the first number, the one you're looking for the root of. (So, for example, the square root of 81 is 9 (9×9=81). And if you multiply two negative numbers, the result is always a positive number. So the square root of -1 is not -1 because -1 × -1 = +1.  And the square root of -1 is not +1, as you suggested, because 1×1=1, of course, not -1. In complex numbers, however, the square root of -1 is an "imaginary" number represented by i.

2 cubed = 8

The sigma symbol is used to represent the summation operator, or just "sum"

And as you say, everyone knows pi.

So the t-shirt translation is "i eight sum pi".

Now aren't you sorry you asked? That's my geek-out for the day. 😃😅

Cathleen