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The lowest price for Casio Scientific Calculator Fx 991ES right now is $47.03 at eBay.com.au.
The all-time low was $19.60 on 26 July 2026 — today's price is 140% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 5 Oct 2026.
Casio Scientific Calculator Fx 991ES
Last updated at 05/10/2026 17:34:09
Casio FX-991ES Scientific Calculator
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| Power Source | Battery, Solar |
| Calculator Type | Scientific, Handheld |
| Printing | No |
| Display Digit Count | 12 Digit |
| Display Type | Natural Display |
Casio FX-991ES Scientific Calculator
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!
| Power Source | Battery, Solar |
| Calculator Type | Scientific, Handheld |
| Printing | No |
| Display Digit Count | 12 Digit |
| Display Type | Natural Display |
