in 21 offers
The lowest price for Casio Scientific Calculator FX-991ES Plus right now is $17.23 at eBay.com.au, compared across 3 retailers.
The all-time low was $9.81 on 6 June 2026 — today's price is 76% 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 Plus
Last updated at 05/10/2026 17:33:41
10+2 Digit Calculator For Fx-991es Plus With Many Scientific
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-991ES Plus Scientific Calculator
Delivery between 10–14 Oct $41
Casio Sv Fx 991 Ms N
Delivery between 12–15 Oct $29
| Solar Powered | Yes |
| Brand | Casio |
| Type | Handheld |
| Function | Scientific, Graphing |
| Digit Count | 12 digits |
10+2 Digit Calculator For Fx-991es Plus With Many Scientific
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-991ES Plus Scientific Calculator
Delivery between 10–14 Oct $41
Casio Sv Fx 991 Ms N
Delivery between 12–15 Oct $29
| Solar Powered | Yes |
| Brand | Casio |
| Type | Handheld |
| Function | Scientific, Graphing |
| Digit Count | 12 digits |
