Widget Watch: PEMDAS

I prefer RPNCalc, which is pretty basic visually but a full featured RPN calculator. RPN is "reverse polish notation;" I think polish was the guy who made it, anyway you enter numbers on a stack and then do the operation. So where on a normal calculater you'd press "2" "+" "2" "=", on an RPN calc you press "2" "enter" "2" "+". It makes complex operations much easier.

As others have said, APple has built-in calculator app (and yes, it does do percentages). Apple goes one further and also includes a graphing application - check in the utilities folder under applications.

What, no reverse polish?

Actually, I like the stock calculator a lot. The binary view is priceless!

0.97695848984333631997784116197351, that's the cosine of 12.3234. I figured you had written that number because the cosine would have some hidden meaning and had to find out. Conspiranoia from my part, this time...
O:-)

does this thing do percents? I hate how the buily in calc widget lacks a percent key.

The included Calculator app in OSX already does all of this.... just go to View, and choose Scientific. The widget is pretty simple though, I'll admit, but I've used the Calculator app many times using the scientific view.

Finally!, widget or not I've been looking for a calculator app jut like this, this made my day, and will make my life easier.

I would be nice to have some extra features but it great none the less