rossriley/php-scalar-objects — pull request #18 by eborden (2014-01-22 23:30:11+00:00)
Title: added toFixed and stubbed toPrecision, added test coverage.

I'm not sure about toPrecision. It is a helpful method when you need a numeric value to fit into a specified character width for the presentation layer, but exponential returns are hairy in PHP since there is no native exponent representation.