in 11 offers
The lowest price for Casio Scientific Calculator FX-991ES Plus right now is $16.00 at eBay.com.au, compared across 3 retailers.
The all-time low was $9.81 on 6 June 2026 — today's price is 63% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 31 Oct 2026.
Casio Scientific Calculator FX-991ES Plus
Last updated at 31/10/2026 14:12:17
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!
Casio Fx-991ES Plus Natural V.P.A.M Two Way Power Scientific Calculator
Casio Sv Fx 991 Ms N
Delivery between 6–9 Nov $29
| Solar Powered | Yes |
| Brand | Casio |
| Type | Handheld |
| Function | Scientific, Graphing |
| Digit Count | 12 digits |
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!
Casio Fx-991ES Plus Natural V.P.A.M Two Way Power Scientific Calculator
Casio Sv Fx 991 Ms N
Delivery between 6–9 Nov $29
| Solar Powered | Yes |
| Brand | Casio |
| Type | Handheld |
| Function | Scientific, Graphing |
| Digit Count | 12 digits |
