HOME | Bookmark WHAT ARE YOU SHOPPING FOR? Home :: Office :: Calculators Casio MS-80TE Scientific Calculator Product Rating: This calculator is very good. It is very durable (i have dropped it and kicked it still works great. It uses solar power but has a battery for backup inside which i have never has to replace. The button are nice and big along with the screen. Its easy to read and the screen has a small tilt hich is great when using on a desk. I love this little calculator! No Longer Available See full product details Home | About Us | Contact Us | Privacy Policy | Disclaimer