How to recognise subtraction in a string in C?
I´m trying to make a simple caltulator using PIC18F46K22 microcontroler and UART. However it works only for adding two numbers, even though the strstr cor comparison and finding the “+” / “-“.
I´m trying to make a simple caltulator using PIC18F46K22 microcontroler and UART. However it works only for adding two numbers, even though the strstr cor comparison and finding the “+” / “-“.