In uControl'm getting hands on a project based on the PIC 18F4550 can perform all operations of a scientific calculator / chart like this:
For now defined the main board with a 128x64 pixel display, USB connection.
In a future not too distant future, integrated statistics functions and thus extend the functionality of it.
uControl In the forum you can see the progress of the project and as having designs, codes, etc., I will also publish in this humble blog.
UControl: http://www.ucontrol.com.ar
Forum calculator:

This is the board's friend Ariel
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