Template:Round/e−/doc

This is a subtemplate of round. It displays small numbers using scientific notation. It takes three parameters. It calls round/- with as parameters the significand and the number of decimals of the significand to be displayed, to add trailing zeros.
 * 1) the number to be displayed
 * 2) the precision to which it is to be displayed to
 * 3) the order of magnitude

It's also used by rndnear.