Monday, February 1, 2010

How Big It Is?

Multiply 2 x 2 one hundred times ...

What is the answer?

12 Comments:

Anonymous Matthewvandruff said...

well it completley depends, on whether you do

(2X2)100 = 400

or you do

(2X2)^100 = 1.60693804425899e+60

basically off the calculators chart
soooo umm yea lmao

February 1, 2010 6:20 AM  
Blogger Zaux said...

Hi Matthew ...
nope, that's wrong

February 1, 2010 6:22 AM  
Anonymous Anonymous said...

trick question?

the answer is 4 however many times you do the sum!

regards, Curtis

February 1, 2010 6:39 AM  
Blogger Zaux said...

Curtis ...
very wise ..
it is always 4 ... unless someone does a screwy proof to prove it equals something else

I know that sometimes 2 x 2 kids seems to equal a dozen

February 1, 2010 7:16 AM  
Blogger Barker said...

no matter how many times you do the equation it will always be 4

February 1, 2010 7:38 AM  
Blogger Chris said...

2^100 = 1267650600228229401496703205376

(2*2)^100 = 1606938044258990275541962092341162602522202993782792835301376, so isn't off my calculator's chart

But I accept that it was a trick question.

February 1, 2010 8:04 AM  
Anonymous Karl Sharman said...

2 x 2 on a slide rule doesn't equal 4.
And yes, I am that old.

February 1, 2010 8:10 AM  
Blogger Zaux said...

Karl, I was in The School of Design at NCSU when handheld calculator became available to the average consumer. I had a Post Versalog slide rule. Within 6 months, I believe they were out of business.

February 1, 2010 8:35 AM  
Blogger Chris said...

2x2 equals 4 on my slip stick. You'd better re-read the manual.

Mine looks similar to this: http://www.hpmuseum.org/powerlog.jpg

I bought it when I was about 13 years old. I even had a 40 inch cylindrical Otis King model L. Here's a pic of it: http://www.sphere.bc.ca/test/unusual.html

Kidding a bit. I lost them years ago. The Pickett one had 80 inches of log-log scales.

I stopped using them when I got a TI-59 calculator. I no longer have that either. It was a truly superbly thought out device - still something that other designs fail to equal. I'm 57.

February 1, 2010 8:42 AM  
Blogger Chris said...

I've gone nostalgic now. I found a picture of a couple of very nice looking metal 10" Versalogs.
http://www.eyrie.org/~dvandom/slide/slidegallery.html

February 1, 2010 8:52 AM  
Blogger Chris said...

Not sure, but I'm about 95% sure that this is the one I had:
http://www.antiquark.com/sliderule/sim/n4es/virtual-n4es.html

I used to have to lubricate it with vaseline, as the aluminium would stick.

February 1, 2010 9:06 AM  
Blogger Chris said...

I've just found that: http://www.antiquark.com/sliderule/sim/n4es/virtual-n4es.html is a virtual slide rule. You can atually use it with your mouse.

February 1, 2010 7:05 PM  

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