katı Aşağı yuvarlama Alışmak fx 300es plus Dan beri gerçekten dilenmek
Casio® FX-300ES PLUS Scientific Calculator, 2nd Edition - Teacher Pack of 10 - Calculators | EAI Education
Amazon.com : 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 : Office Products