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Casio Calculator FX-Technical 991EX
Casio Calculator FX-Technical 991EX
Casio Calculator FX-Technical 991EX
Casio Calculator FX-Technical 991EX
Casio Calculator FX-Technical 991EX

Casio Calculator FX-Technical 991EX

(7,173 reviews)

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.

$31.36 - $68.78

in 3 offers

The lowest price for Casio Calculator FX-Technical 991EX right now is $31.36 at eBay.com.au, compared across 2 retailers.

The all-time low was $20.99 on 12 Mar 2026 β€” today's price is 49% above the lowest ever. It has been notably cheaper before β€” worth setting a price alert.

Prices last updated 20 June 2026.

Casio Calculator FX-Technical 991EX

$31.36

(7,173 reviews)

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.

Price comparison

Price data powered by pricesAPI.io

Last updated at 20/06/2026 01:43:40

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
eBay.com.au

$31.36

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!

eBay.com.au

$40.69

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!

Text Book Centre Online Shop

$68.78

FX-991EX/CW Casio Calculator

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Price comparison

Updated 1 day ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
eBay.com.au

$31.36

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!

eBay.com.au

$40.69

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!

Text Book Centre Online Shop

$68.78

FX-991EX/CW Casio Calculator

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

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