Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW)
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.
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.
in 10 offers
The lowest price for Casio ClassWiz CW Scientific Calculator - Advanced Functions, LCD Display (FX-991CW) right now is $30.59 at eBay.com.au, compared across 4 retailers.
The all-time low was $13.04 on 6 June 2026 — today's price is 135% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 3 Oct 2026.
Last updated at 03/10/2026 22:47:19
Casio Fx-991ex Classwiz Advanced Engineering Scientific Calculator-552
Free delivery
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Casio FX-991CW Classwiz Non-Programmable Scientific Calculator
Free delivery between 14–16 Oct
Casio fx-991CW ClassWiz Scientific Calculator Black - TESTED & WORKING
Delivery between 9–13 Oct $41
Casio FX-991CW Advanced Scientific Calculator
Delivery between 11–14 Oct $29
| Power Source | Battery |
| Number of Batteries | 1.0 |
| Battery Size Supported | LR44 |
| Battery Chemistry | Alkaline |
| Weight (Approximate) | 5.94 lb |
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!
Casio FX-991CW Classwiz Non-Programmable Scientific Calculator
Free delivery between 14–16 Oct
Casio fx-991CW ClassWiz Scientific Calculator Black - TESTED & WORKING
Delivery between 9–13 Oct $41
Casio FX-991CW Advanced Scientific Calculator
Delivery between 11–14 Oct $29
| Power Source | Battery |
| Number of Batteries | 1.0 |
| Battery Size Supported | LR44 |
| Battery Chemistry | Alkaline |
| Weight (Approximate) | 5.94 lb |
