Steps to get in test mode
1. Turn off calculator
2. Press esc and on buttons simultaneously for a few seconds
3. Enter press-to-test
4. Follow the screen prompt
5. The following options in “press to test” mode must be UNTICKED and therefore
ALLOWED
 Disable inequality graphing
 Limit trigonometric functions
 Disable Logbx template and summation functions
 Disable Polynomial Root Finder and Simultaneous Equation Solver