Simple question, but a difficult answer?

I want to sent binary to comms port? Please explain can it be done
Simple question, but a difficult answer?

I want to sent binary to comms port? Please explain can it be done
Murgent, I Must Have The Answer Today!

Here's what's going to be needed: * Simplification * Differentiation * Collect coefficient * Polynomial division * Cubic solver (exact value) * Numerous trigonometric and utility functions - Functions...
Murgent, I Must Have The Answer Today!

Here's what's going to be needed: * Simplification * Differentiation * Collect coefficient * Polynomial division * Cubic solver (exact value) * Numerous trigonometric and utility functions - Functions...
NO ERROR DISPLAYED, BUT THE ANSWER NOT OBTAINED

HI ERIK AND DHAVAL SOLANKI PLEASE CLARIFY ME THE MISTAKE I VE DONE HERE, THIS THE PROGRAM TO INTERFACE FOUR SEVENSEGMENT LEDS (MULTIPLEXING), IN THIS PROGRAM THE DATA WHICH IS STORED IN 90H,91H...