Question by devstory: Where can I get the “calculator circuit diagram”?
I’m looking for the calculator circuit diagram.
I got the diagram but it was just part of the calculator circuit diagram such as adder, multiplier, subtracter, divider.
You can see it below site.

http://web.edunet4u.net/%7Ejaehyunk/ch7-2.htm

Although I got the diagram, I can’t mix the part.
Do you understand?
Anyway, I need the calculator circuit diagram.
If you have or know where it is, please answer me.
Thank you.

Best answer:

Answer by bala
Calculator circuits are coming in COB(chip on board) form.
As a result of technology developments COBs costs are drastically reduced.
Thus u can get it in cheaper price!