Casio FX-991EX Advanced Scientific Calculator
Casio FX-991ESPLUS Scientific Calculator Black FX-991EX-S-UT The FX-991EX-S-UT advanced scientific calculator features a new high-resolution LC display with 192 x 63 pixels and a resolution that is four times higher than that of the FX-ES plus series. This calculator has over 550 functions, and has 47 scientific constants. Thanks to the QR code function, calculation results can be viewed on a smartphone or tablet, increasing your flexibility when working on the move. The spreadsheet function also allows the user to perform basic spreadsheet calculations on a scientific calculator for the first time.
Casio FX-991ESPLUS Scientific Calculator Black FX-991EX-S-UT The FX-991EX-S-UT advanced scientific calculator features a new high-resolution LC display with 192 x 63 pixels and a resolution that is four times higher than that of the FX-ES plus series. This calculator has over 550 functions, and has 47 scientific constants. Thanks to the QR code function, calculation results can be viewed on a smartphone or tablet, increasing your flexibility when working on the move. The spreadsheet function also allows the user to perform basic spreadsheet calculations on a scientific calculator for the first time.
Casio FX-991ESPLUS Scientific Calculator Black FX-991EX-S-UT The FX-991EX-S-UT advanced scientific calculator features a new high-resolution LC display with 192 x 63 pixels and a resolution that is four times higher than that of the FX-ES plus series. This calculator has over 550 functions, and has 47 scientific constants. Thanks to the QR code function, calculation results can be viewed on a smartphone or tablet, increasing your flexibility when working on the move. The spreadsheet function also allows the user to perform basic spreadsheet calculations on a scientific calculator for the first time.
Casio FX-991ESPLUS Scientific Calculator Black FX-991EX-S-UT The FX-991EX-S-UT advanced scientific calculator features a new high-resolution LC display with 192 x 63 pixels and a resolution that is four times higher than that of the FX-ES plus series. This calculator has over 550 functions, and has 47 scientific constants. Thanks to the QR code function, calculation results can be viewed on a smartphone or tablet, increasing your flexibility when working on the move. The spreadsheet function also allows the user to perform basic spreadsheet calculations on a scientific calculator for the first time.
in 8 offers
The lowest price for Casio FX-991EX Advanced Scientific Calculator right now is $22.75 at eBay.com.au, compared across 2 retailers.
The all-time low was $4.00 on 12 Aug 2026 — today's price is 469% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 12 Sept 2026.
Last updated at 12/09/2026 14:57:33
Casio Fx-991ex Classwiz Advanced Engineering Scientific Calculator 552
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Casio Fx991es Plus Advanced Scientific Calculator 552 Functions
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Casio Fx-991ex Classwiz Advanced Engineering Scientific Calculator 552
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Fx-991ex Advanced Engineering Scientific Calculator - 552 Function
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Fx-991ex Advanced Engineering Scientific Calculator - 552 Function
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Fx-991ex Advanced Engineering Scientific Calculator - 552 Function
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Fx-991ex Advanced Engineering Scientific Calculator - 552 Function
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Casio FX-991EX Advanced Engineering/Scientific Calculator (UK VERSION) - Black | CASIO Dubai
| Product dimensions | 16.8 x 8.2 x 1.8 cm; 90.01 Grams |
| Batteries | 1 CR123A batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Lines Per Page | 2 |
| Power source | Solar |
Casio Fx-991ex Classwiz Advanced Engineering Scientific Calculator 552
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Casio Fx991es Plus Advanced Scientific Calculator 552 Functions
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Casio Fx-991ex Classwiz Advanced Engineering Scientific Calculator 552
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Fx-991ex Advanced Engineering Scientific Calculator - 552 Function
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Fx-991ex Advanced Engineering Scientific Calculator - 552 Function
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Product dimensions | 16.8 x 8.2 x 1.8 cm; 90.01 Grams |
| Batteries | 1 CR123A batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Lines Per Page | 2 |
| Power source | Solar |
