The Off Topic Thread!

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Dauntless said:
No Calculators round. Ask your math teacher when you get back to school, they'll tell you the same, if they don't they need to go back to school themselves. Enter pi into a calculator and it will round it. Even calculators with pi built in are limited. Calculators only show the first 10 or so digits of pi and therefore rounds it off, it doesnt just hide the other numbers.
Click to expand...
What's your point? Very long numbers are supposed to be rounded. And actually, there is a difference between rounding a number and hiding extra digits.

3.141592653 is truncated; the next digit, a five, is simply left off.

3.141592654 is rounded; the ninth decimal place is a three, but the next number is five, so the ninth decimal place is rounded up to four.

And for the record, rounding is correct; truncating is not. Exactly half the time you get the same answer, but the other half you don't.

For example, incorrect rounding can make 2+2=5.

2.4+2.4=4.8

2.4 rounds to 2, and 4.8 round to 5. Which is why you do all rounding at the end of an equation, and carry as many signifigant digits as possible (or feasible) throughout your calculations.
 
MaidMirawyn said:
What's your point? Very long numbers are supposed to be rounded. And actually, there is a difference between rounding a number and hiding extra digits.

3.141592653 is truncated; the next digit, a five, is simply left off.

3.141592654 is rounded; the ninth decimal place is a three, but the next number is five, so the ninth decimal place is rounded up to four.

And for the record, rounding is correct; truncating is not. Exactly half the time you get the same answer, but the other half you don't.

For example, incorrect rounding can make 2+2=5.

2.4+2.4=4.8

2.4 rounds to 2, and 4.8 round to 5. Which is why you do all rounding at the end of an equation, and carry as many signifigant digits as possible (or feasible) throughout your calculations.
Click to expand...

you better be careful or I will run a TONUM on you...then you can appreciate being a number...What really feels good is the air moving over my foot from my sub port...
 
MaidMirawyn said:
What's your point? Very long numbers are supposed to be rounded. And actually, there is a difference between rounding a number and hiding extra digits.
Click to expand...

My point is that numbers such as pi or any number with an extreme amount of digits is impossible for a calculator to calculate 100% precisely, then again it would be extremely difficult if not impossible for us to do that too. I was just trying to explain that a calculator can never represent the true value of pi. And truncated or rounded, either way it isn't the number in it's entirety, it's an extremely close estimate but not 100% precise.
 
well too bad, when you all were asleep i made you sign a contract that signed your life to me. NOW BOW BOWN MY MINIONS FOR I AM THE TRUE MINION MASTER!!!!
 
^

That's impossible...my laser defense system in my ub3r s3cr37 und3rw@73r b@$3 would have tattooed your chromosomes...and then obliterated you!
 
Only a couple of us will probably understand, but I thought I would post this anyhow:

My Mom used to cut chicken, chop eggs and spread mayo on the same cutting board with the same knife and no bleach, but we didn't seem to get food poisoning.

My Mom used to defrost hamburger on the counter AND I used to eat it raw sometimes, too. Our school sandwiches were wrapped in wax paper in a brown paper bag, not in icepack coolers, but I can't remember getting e.coli.

Almost all of us would have rather gone swimming in the lake instead of a pristine pool (talk about boring), no beach closures then.

The term cell phone would have conjured up a phone in a jail cell, and a pager was the school PA system.

We all took gym, not PE... and risked permanent injury with a pair of high top Ked's (only worn in gym)
instead of having cross-training athletic shoes with air cushion soles and built in light reflectors. I can't recall any injuries but they must have happened because they tell us how much safer we are now.

Flunking gym was not an option... even for stupid kids! I guess PE must be much harder than gym.

Speaking of school, we all said prayers and sang the national anthem, and staying in detention after school caught all sorts of negative attention.

We must have had horribly damaged psyches. What an archaic health system we had then Remember school nurses? Ours wore a hat and everything.

I thought that I was supposed to accomplish something before I was allowed to be proud of myself.

I just can't recall how bored we were without computers, Play Station, Nintendo, X-box or 270 digital TV cable stations.

Oh yeah... and where was the Benadryl and sterilization kit when I got that bee sting? I could have been killed!

We played 'king of the hill' on piles of gravel left on vacant construction sites, and when we got hurt, Mom pulled out the 48-cent bottle of Mercurochrome (kids liked it better because it didn't sting like iodine did) and then we got our butt spanked.

Now it's a trip to the emergency room, followed by a 10-day dose of a $49 bottle of antibiotics, and then Mom calls the attorney to sue the contractor for leaving a horribly vicious pile of gravel where it was such a threat.

We didn't act up at the neighbor's house either because if we did, we got our butt spanked there and then we got butt spanked again when we got home.

I recall Donny Reynolds from next door coming over and doing his tricks on the front stoop, just before he fell off. Little did his Mom know that she could have owned our house. Instead, she picked him up and swatted him for being such a goof. It was a neighborhood run amuck.

To top it off, not a single person I knew had ever been told that they were from a dysfunctional family. How could we possibly have known that?

We needed to get into group therapy and anger management classes? We were obviously so duped by so many societal ills, that we didn't even notice that the entire country wasn't taking Prozac! How did we ever survive?

LOVE TO ALL OF US WHO SHARED THIS ERA, AND TO ALL WHO DIDN'T- SORRY FOR WHAT YOU MISSED. I WOULDN'T TRADE IT FOR ANYTHING!!!
 
vibrokatana said:
I intervened and beamed both of you into the middle of a supernova...
Click to expand...

Impossible to do to me...I have an ub3r s3cr37 t3l3p0r7@7!0n c@nc3l3r d3v!c3 installed somewhere in my $up3r $3cr37 und3rw@73r b@$3! And just so you know, I can not be defeated! I have a machine that gathers any news about my $up3r $3cr37 und3rw@73r b@$3 being destroyed in the future and uses that to make defenses for my base that will prevent it from being destroyed!
 
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