Though not the same brand as Casio but looks exactly alike
i know there is more functions with the newer ones but this should be fine for high school and uni
i remember i bought my Casio for at least $30
Hard protective case
2 line LCD display
240 functions
Multi-replay function
9 variable memories
10+2 digit display
Auto power off
Error recovery
Large plastic keys
Batteries included
Wow! So cheap. I hope its not buggy and lets you divide by 0.