Here's one I wrote many years ago: http://scripty.walterdavisstudio.com/calculator/ You can't drop this into a jQuery project because it uses Prototype.js and the two don't get along. But it's fun and instructive to read the code.
> On Jan 11, 2017, at 11:56 AM, David Williams <firstname.lastname@example.org> wrote:
> I am going to allow the user to use it on the fly. They'll just calculate basic math.
> On Tuesday, January 10, 2017 at 10:53:46 PM UTC-5, Walter Lee Davis wrote:
> What do you need to calculate, and what will you do with the result?
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