Inhinyerong Sibil 🇵🇭 on X: "EVOLUTION OF CALCULATOR: CE BOARD EXAM EDITION Nov 2018: Casio fx-991ES PLUS May 2019: Casio fx-570ES PLUS Nov 2019: Casio fx-85EX (Ibinalik ang Casio 570ES Plus less
Kippap Education - Casio fx-991ES Plus (2nd Edition) Not allowed in the CE Board Exam Non-solar counterpart (570ES Plus 2nd Edition) allowed in other engineering board exams (mechanical, chemical, etc.) Features: -has
fx-991ES PLUS-2 | ES PLUS Series -Non Programmable- | SCHOOL & LAB. | Calculators | CASIO