# Completing Assignments

- Why does this assignment I completed show as Due?
- Why doesn't the Submit button work?
- Help with software and external resource sites
- I can't make a deadline; can I get an extension?
- Entering math expressions in assignments or the calculator
- Completing mathematical problems using screen readers
- Using numbers in math expressions
- Using functions in math expressions
- Using constants in math expressions
- Scientific notation and metric affixes