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Here's my code:




b = a + (5 * Math.pow(10, -d));
b *= Math.pow(10, d);
b = Math.round(b * d);
b /= Math.pow(10, d);

4.637 rounded would be 4.64.

--- Update ---

I'll see what he says. I sent him an email. If he says "no" which I believe he won't, what would you say to do?

I don't think he wants me to use Math.round() because he's never taught me that before. Are you sure there's no way to do it with casting? I know it works for one decimal place.

@summit45 Thanks for the help. I would really appreciate more experienced advice though. But you can still help. :)

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