You can call me any pronoun you want to call me (please tell me what you're going to call me so I know you're refering to me). Or, you can use this guide:

On day (today) of the month, my pronoun is: she, her, hers, and herself.

Some examples:
She wrote a program.
I wrote a program with her.
That's hers program.
She wrote a program for herself.