Recent content by becz-

for anyone who was truly interested in the answer.. i found it on http://www.straightdope.com/columns/040116.html Dear Cecil: I've heard of this before, but didn't believe it. Now I've seen it for myself, and my skeptical mind needs a good explanation. A lady in front of me at the...

what the book gave has k as a constant, in your problem x is not a constant. you need to use the product rule.

I don't really know what you are doing there.. if you just go 1/3 (y0 + 4y1 + 2y2 + 4y3 + y4) it works properly

K well, the question wasn't whether or not I needed a new card. I'm fully aware it's free and easily ordered and a task that can be done over the phone in 3 minutes. I was asking about the reasoning behind it working with the plastic bag. Thanks for your side note.

I have a credit card that I use quite more often then others, and obviously the magnetic strip on the back of the card has worn down quite a bit. Often, when someone slides the card it doesn't read properly and the cashier person has to manual type in my card number. Someone told me if you put...