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- 67%
Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW)
Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW)
Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW)
Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW)
Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW)
Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW)
Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW)
Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW)

Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW)

Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW)

$13.04

(1,999 reviews)

Solving equations and systems up to 4 equations and matrix calculation 4 x 4. QR code for continuing calculations on PC. Spreadsheet to study statistics. High resolution natural LCD display with 192 x 63 pixels and icon menu. Scientific calculator with over 540 functions designed for school. New science calculator ideal for secondary school 2nd grade with practical and intuitive design, 4level highresolution app display with gray, and faster processor. Over 540 functions including spreadsheet, QR code generation, simultaneous solver and polynomial up to four degrees, numerical integration, differentiation, statistics, matrices, vector calculation. Natural Textbook Display Insert and display fractions, powers, logarithms, roots and other mathematical formulas and symbols just as they appear in textbooks.

Solving equations and systems up to 4 equations and matrix calculation 4 x 4. QR code for continuing calculations on PC. Spreadsheet to study statistics. High resolution natural LCD display with 192 x 63 pixels and icon menu. Scientific calculator with over 540 functions designed for school. New science calculator ideal for secondary school 2nd grade with practical and intuitive design, 4level highresolution app display with gray, and faster processor. Over 540 functions including spreadsheet, QR code generation, simultaneous solver and polynomial up to four degrees, numerical integration, differentiation, statistics, matrices, vector calculation. Natural Textbook Display Insert and display fractions, powers, logarithms, roots and other mathematical formulas and symbols just as they appear in textbooks.

(1,999 reviews)

Solving equations and systems up to 4 equations and matrix calculation 4 x 4. QR code for continuing calculations on PC. Spreadsheet to study statistics. High resolution natural LCD display with 192 x 63 pixels and icon menu. Scientific calculator with over 540 functions designed for school. New science calculator ideal for secondary school 2nd grade with practical and intuitive design, 4level highresolution app display with gray, and faster processor. Over 540 functions including spreadsheet, QR code generation, simultaneous solver and polynomial up to four degrees, numerical integration, differentiation, statistics, matrices, vector calculation. Natural Textbook Display Insert and display fractions, powers, logarithms, roots and other mathematical formulas and symbols just as they appear in textbooks.

Solving equations and systems up to 4 equations and matrix calculation 4 x 4. QR code for continuing calculations on PC. Spreadsheet to study statistics. High resolution natural LCD display with 192 x 63 pixels and icon menu. Scientific calculator with over 540 functions designed for school. New science calculator ideal for secondary school 2nd grade with practical and intuitive design, 4level highresolution app display with gray, and faster processor. Over 540 functions including spreadsheet, QR code generation, simultaneous solver and polynomial up to four degrees, numerical integration, differentiation, statistics, matrices, vector calculation. Natural Textbook Display Insert and display fractions, powers, logarithms, roots and other mathematical formulas and symbols just as they appear in textbooks.

$13.04 - $237.90

in 53 offers

The lowest price for Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW) right now is $13.04 at Hiker Brewing Co., compared across 12 retailers.

The all-time low was $13.04 on 6 June 2026. That's the lowest price we've ever tracked — a great time to buy.

Prices last updated 6 June 2026.

Price comparison

Price data powered by pricesAPI.io

Last updated at 06/06/2026 08:22:07

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

$13.04

Casio fx-991CW– Advanced Scientific Calculator with High-Res 4-Tone Display | Natural Textbook Display | 540+ Functions, Numeric Calculus, Matrix

Desertcart.ae

$37.06

Casio FX-991CW Classwiz Non-Programmable Scientific Calculator

Free delivery between 16–19 June

Desertcart.ae

$74.50

FX-991CW Classwiz Non-Programmable Scientific Calculator & Casio FX-991ES Plus-2nd Edition Scientific Calculator, Black

Free delivery between 16–19 June

Desertcart.ae

$83.76

fx-991CW+ Scientific Calculator (UK Version) - Upgrade from previous fx-991CW model

Free delivery between 16–19 June

Desertcart.ae

$92.64

Casio FX-991 CW (Italian Model) Scientific Calculator, 540 Functions and Natural Display

Free delivery between 16–19 June

Desertcart.ae

$98.82

Casio FX-991CW (Model 2023) Scientific Calculator, 540 Functions with Design Cover Basket

Free delivery between 16–19 June

Desertcart.ae

$100.75

fx-991CW including a WYNGS protective case in Black - Basic Set

Free delivery between 16–19 June

eBay.com.au

$47.52

Casio FX-991CW Advanced Scientific Calculator

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

$48.15

Casio Fx-991cw Classwiz Non-programmable Scientific Digit Original

Delivery $33.34

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

$52.95

Casio FX-991CW Advanced Scientific Calculator A/AS Level Maths 540+ Funcs

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!

Price history

Price history

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

Specification

Power SourceBattery
Number of Batteries1.0
Battery Size SupportedLR44
Battery ChemistryAlkaline
Weight (Approximate)5.94 lb

Price comparison

Updated 4 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Hiker Brewing Co.

$13.04

Casio fx-991CW– Advanced Scientific Calculator with High-Res 4-Tone Display | Natural Textbook Display | 540+ Functions, Numeric Calculus, Matrix

Desertcart.ae

$37.06

Casio FX-991CW Classwiz Non-Programmable Scientific Calculator

Free delivery between 16–19 June

Desertcart.ae

$74.50

FX-991CW Classwiz Non-Programmable Scientific Calculator & Casio FX-991ES Plus-2nd Edition Scientific Calculator, Black

Free delivery between 16–19 June

Desertcart.ae

$83.76

fx-991CW+ Scientific Calculator (UK Version) - Upgrade from previous fx-991CW model

Free delivery between 16–19 June

Desertcart.ae

$92.64

Out of stock

Casio FX-991 CW (Italian Model) Scientific Calculator, 540 Functions and Natural Display

Free delivery between 16–19 June

Price history

Price history

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

Specification

Power SourceBattery
Number of Batteries1.0
Battery Size SupportedLR44
Battery ChemistryAlkaline
Weight (Approximate)5.94 lb

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