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It’s easy to make a math error. But when that error means your new, expensive submarine won’t float … that’s a disaster!

Read about the problem at:

 http://thechronicleherald.ca/business/1133956-sub-might-be-too-heavy-to-resurface

and

http://www.huffingtonpost.com/2013/05/24/spain-submarine-s-81-isaac-peral-cant-float_n_3328683.html

I like the way the stories talk about “someone” put the decimal point in the wrong place. I bet if you are that someone, you are laying low…

Now, what can you learn? What do you do to catch simple math errors (we all make them) in critical calculations? Leave your comments here.