Casio fx-991ES Plus - using the memories
ฝัง
- เผยแพร่เมื่อ 19 เม.ย. 2011
- How to use the memories on modern Casio calculators. By using the memories you can save time typing in numbers again and ensure that your answers are as accurate as possible by not using numbers that have been prematurely rounded. Formulae cannot be stored
