Review Details

 Casio Classwiz Scientific Calculator (fx-991EX)

Casio Classwiz Scientific Calculator (fx-991EX)

Product Review (submitted on July 16, 2017):
This is calculator is really very fast and the display is nice.

very fast delivery and thanks for 3 years warranty. It could be the all in one if the color was in full black otherwise full white. Overall I am so happy.