My Calculator, with some advanced features (arithmetic parsing)

I tried to build a “scientific” calculator, using the shunting yard algorithm. I didn’t really focus on design, more on functionality. Hoping to get some feedback on my Javascript.

That’s awesome. Great job.

My only minor comment is maybe increasing the size of the text.
The minus (-) sign and (.)deciman point kinda looks very similar, and they’re also side by side.

You can make the 0 digit (2) blocks wide, and put the decimal point (.) to where the [0] key currently resides. From a usability point of view, I think the decimal point should be grouped with the digits…

But those are just minor comments. Great job again.