Please can anyone help me in my project..

[girlksa]

Hi everyone,
I have project in
* Simple Calculator using Keypad with LCD:
the idea is simple, you have to build a software that will let the user choose among different options like addition,
subtraction, multiplication and division and other
User will enter two number using keypad. Result must be shown on the LCD

i found many links about this project but with microcontrller ,but our teacher want us to do this project using microprocessor and should we use parallel port
i found the code for that project ,

but i want the circuit diagram with parallel port
if anyone can help me,please

 

[girlksa]

???? please give me any idea about it.

 

[bassa]

Are you trying to develop a software application in the PC using PC key board and shows the results in the LCD through parallel port?

You may try these simple tutorials

**broken link removed**