For Mumbai University engineering and polytechnic students, the Casio fx-991CW ClassWiz (featuring 540+ functions, 4-gradation natural textbook display, QR code equation visualization, and 3-year warranty) is 100% non-programmable and approved for university exam halls.
In This Guide
1 Beware of Counterfeit Calculators in Local Markets
Fake Casio calculators flood local street stalls. Counterfeits produce calculation errors in matrix inversions and lack Casio’s holographic security authentication sticker. Virar Stationery is an authorized distributor supplying genuine Casio India units.
2 Matrix, Vector & Complex Number Functions
The fx-991CW solves 4×4 simultaneous linear equations, 4th-degree polynomials, and vector cross products in a fraction of a second, saving vital exam time.
Always save documents as standard PDF/A format before sending them for printing. This locks the typography, margins, and page breaks so your document prints with 100% precision. Send your file directly to our WhatsApp (+91 70210 72757) and we will check the resolution and margins before printing!
Pricing & Options
Rates & Specifications
| Feature | Casio fx-991CW (Latest ClassWiz) | Casio fx-991EX (Legacy Model) |
|---|---|---|
| Display Interface | 4-Gradation High-Definition Natural Display | 2-Tone Monochromatic Dot Matrix |
| Navigation UI | Modern Smartphone-style Cursor & Menus | Multi-Shift Key Shortcuts |
| Equation Graphing | Smartphone QR Code Integration (ClassPad.net) | Basic QR Code Matrix Display |
| University Exam Approval | 100% Approved (Non-Programmable) | 100% Approved (Non-Programmable) |
| Manufacturer Warranty | 3 Years Genuine Replacement Warranty | Discontinued by Casio India |
Casio fx-991CW vs Legacy fx-991EX ClassWiz · Bulk student and corporate commercial discounts applied automatically.
Visiting Virar Stationery & Jumbo Xerox
Stocked on Ram Mandir Road right next to Old Viva College campus gate.
Transit Times to Our Shop (Takshashila Apt, Ram Mandir Rd):
2 mins walk
6–8 mins auto
8–10 mins auto
3–4 mins auto
8–10 mins (FOB)
1 train stop + 4m
5–7 mins auto
15–20 mins
Fast Walk-in Counter
Average turnaround: under 5 minutes for urgent prints
Got Questions?
Frequently Asked Questions
Is the Casio fx-991CW allowed in Mumbai University semester examinations?
Yes, it is strictly non-programmable and conforms with all Mumbai University examination hall regulations.
Does it come with original warranty registration?
Yes, every calculator comes with an official Casio India warranty card and serial code for online warranty activation.
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