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The lowest price for Casio FX-991ESPLUS Scientific Calculator right now is $21.56 at eBay.com.au, compared across 2 retailers.
The all-time low was $11.10 on 9 July 2026 — today's price is 94% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 27 Oct 2026.
Casio FX-991ESPLUS Scientific Calculator
Last updated at 27/10/2026 09:21:12
Fx991es Plus Advanced Scientific Calculator 417 Functions Classwiz
Free delivery
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Casio Scientific Calculator Fx991ES PLUS | Scientific calculators
Delivery $47.63
| Calculator Type | Scientific, Handheld |
| Printing | No |
| Display Digit Count | 10 + 2 digits |
| Display Type | Natural Textbook Display, LCD |
| Display Line Count | Multi-line |
Fx991es Plus Advanced Scientific Calculator 417 Functions Classwiz
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 Scientific Calculator Fx991ES PLUS | Scientific calculators
Delivery $47.63
| Calculator Type | Scientific, Handheld |
| Printing | No |
| Display Digit Count | 10 + 2 digits |
| Display Type | Natural Textbook Display, LCD |
| Display Line Count | Multi-line |
