Some graphing calculators 3 letters

Crossword clues for Some graphing calculators 3 letters

Answer	Clue
TIS	Some graphing calculators
COS	Graphing calculator button
SLOPE	Graph calculation
ALUMNI	Sellers of used graphing calculators, maybe
SINE	Graphing calculator function
COSINE	Graphing-calculator function
PLOT	Graphing calculator output
CASIO	Maker of the world's first publicly sold graphing calculator