CPhill

Our calcuator gives.......1462182999.99948003346

Close enough !!!

Thanks for that, heureka........there are always things popping up on this calculator that I hadn't been aware of, before......of course......If Melody and I relied on a simple thing like punching a few buttons on the calculator, we wouldn't be able to "show off" as much as we do.....!!!

There are 100cm in a meter. So, 1 square meter would be 1m x 1m =  100cm x 100cm = 10000cm²

So, 5 square meters would be 5 times as much = 50,000cm²

[ To see this more clearly, imagine a suare with a side of √5m. Then the area would be 5m². So, in cm, the side would be 100√5 cm. And (100√5 cm)² = 50,000cm² ]

We probably don't have enough bananas to satisfy Chimp Ayumu....however....we DO stock quite a quantity of peanuts......as long as she promises not to get any  (spherical) shells on the floor......

It's math....it's supposed to look hard......if it looked easy.......the questioners would be on to us!!!!! LOL!!!

Notice that

n! - (n -1 ) !   =

[n x (n-1) x (n-2) x.......x 3 x 2 x 1 ]  - [ (n-1) x (n-2) x.......x 3 x 2 x 1 ]

And factoring out the common term, we have

[ (n-1) x (n-2) x.......x 3 x 2 x 1 ] [n  - 1]  =

[n-1]! * [n-1]

So....... 1000! - 999! =

999! * (999)       ......whatever that is !!!  (it's huge, to be sure)

I'm used to some different terminology, but I believe the "retail merchant margin" is the same thing as the percent "mark-up" on the price.' This is given by.....

(Sales Price - Cost) / (Sales Price)  = (34 - 26)/34 = about 23.6%

And the margin on the cost is - I believe -  the same thing as the percent "mark-up" on the cost...this is given by....

(Sales Price - Cost) / (Cost) = (34 - 26)/26 = about 30.8%

Ah, thanks for the correction!!!!!!    I'll do an edit.....!!!

Just use the on-site calculator....hit the "2nd" button and then "atan" and key in "-1"...then, hit "="

Note that if we're in the interval [0, 360] degrees.....the arctangent = -1 at 135 degrees and at 315 degrees...!!!

I can't get 3.1 out of that.....it looks like you're taking the square root of a negative...also, there are an unequal number of parentheses......????