The neutral voice (maybe that was the "Robot" voice?) changed into a pleasant young woman's voice. He noticed the calculator changed color from it's normal fire engine red to a soft lavender.
"Thank you for selecting option 3. Studies show that students respond best to a female voice. Please select age category now. Press 1 for the default voice, 2 for a more mature voice, and 3 for a younger voice."
Nate then pressed...