Casio FX-85GT PLUS Black Solar Scientific Calculator
Casio fx-300ES PLUS Scientific Calculator; SAT Compatible; Natural Textbook Display; Math, Trigonometry, Statistics, Algebra, Geometry and Physics Functions; Comes with Slide-on Hard Case; Black
Casio FX-85GT Plus 260 Functions Scientific Calculator - White for sale online | eBay
Using a Casio fx-85GT PLUS Calculator to Find the Square Root - YouTube