Videos

Casio FX-991EX Scientific Calculator Review Footage taken from EEVblog Mailbag video #787.

Calculation speed comparison doing a sum from 0 to 100 of x^8 in both a Casio fx-991 SPX Iberia and Casio fx-991 SPX II Iberia.

Performing a slightly computationally intensive integral on both of these reveals quite a difference! The accuracy of the newer model is also notable.

হিসাব না মিললেই বিপদ ! আপনার সিদ্ধান্তের ছোট্ট একটা ভুলের মাশুল হয়তো দিতে...

https://en.wikipedia.org/wiki/SPX_Corporation

https://en.wikipedia.org/wiki/SPX500

https://en.wikipedia.org/wiki/Spx-1