Casio Fx-9860 Jun 2026

| Feature | | TI-84 Plus CE | HP Prime | | :--- | :--- | :--- | :--- | | Price | $50 - $70 (USD) | $110 - $150 | $140 - $160 | | Screen | Monochrome (Backlit) | Color (Backlit) | Full Color Touch | | Battery | AAA (x4) | Rechargeable Li-ion | Rechargeable Li-ion | | CAS (Computer Algebra) | No (Exam safe) | No (Need CAS model) | Yes | | Exam Approval | Yes (SAT/IB) | Yes | No (Often banned) | | Programming | Python + Basic | Basic + ASM | Python + HP PPL | | Learning Curve | Medium (Menu driven) | Steep (Keyboard heavy) | Medium (Touch aided) |

Perhaps the most unique iteration was the "Slim." As the name suggests, it was a folding calculator, resembling a mini laptop. It was incredibly thin and pocketable, featuring a sliding cover that protected the screen. While it was an engineering marvel, the non-standard layout of the keypad (which split to accommodate the folding mechanism) made it a "love it or hate it" device for rapid typists. casio fx-9860

To understand the fx-9860, we have to look at Casio’s engineering philosophy. In the early 2000s, Casio launched the , a clamshell design calculator. It was innovative but bulky. | Feature | | TI-84 Plus CE |