An hour later, Sheldon had not only corrected the proof but had also learned a new method for visualizing exponents. Delia was packing her glitter pens.
She left.
Sheldon finally swiveled on his stool. “I didn’t invite you.” young sheldon s01e10 ddc
He pointed at a small, pigtailed girl who had appeared behind Sheldon. Her name was Delia. She was nine, wore oversized glasses, and carried a tattered notebook. An hour later, Sheldon had not only corrected