fx-991CW
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Basic Information
Product Type: Non-Programmable Scientific Calculator
Number of Digits: 10 + 2 digits
Pakistan Product Code: fx-991CW
Country of Origin: Pakistan
Display
Natural Textbook Display
Icon Menu
Dot Matrix Display
High Resolution Display
4-Gradation Display
Key Characteristics
Plastic Keys
Fast Typing Function (2-Key Rollover)
Negative Sign Key
Power Off Key
Memory
9 Variables
Variables List
Answer Memory
Function Memory
Memory Protection
Reset Function
Power Supply
Solar & Battery
Approximate Battery Life: 2 Years
Auto Power Off
Size & Weight
Size: 162 × 77 × 10.7 mm
Weight: 95 g
Accessories
Hard Case
Warranty
1 Years
Display Settings
Number Format: Fix
Number Format: Sci
Number Format: Norm
Engineering Symbol
Engineering Notation
Fraction / Decimal Conversion
Angle Units (Degree, Radian, Gradian)
Improper / Mixed Fraction
Sexagesimal / Decimal Conversion
Digit Separator
Calculation Functions
Basic Calculations
Bracket Calculations
Fraction Calculations
Degree, Minute, Second (Sexagesimal) Calculations
Reciprocal Calculations
Percentage Calculations
Ratio Calculations
Factorial Function
π Calculations
Calculations with √ and π
Rounding Function
Advanced Calculations
Transcendental Number (e)
Base-n Calculations
Logical Operators
Complex Number Calculations
Matrix Calculations
Vector Calculations
Spreadsheet Functions
Numeric Table
Simultaneous Equations
Polynomial Equations
Inequality Calculations
List-based STAT Data Editor
1-Variable Statistics
2-Variable Statistics & Regression
Distribution Calculations
Math Box (Coin Toss, Dice Roll)
Applied Calculations
Continuous Calculations
Replay Function
Multi-replay Function
UNDO Function
SOLVE Function
Function Features
Independent Key x
Absolute Value Calculations
Square & Square Root (x² / √x)
Power & Radical Root (xʸ / x√)
Trigonometric Functions
Inverse Trigonometric Functions
Hyperbolic Functions
Inverse Hyperbolic Functions
Exponential & Logarithmic Functions (log, ln, 10ˣ, eˣ)
Base-Specified Logarithms
Coordinate Conversion
Combination & Permutation
Prime Factorization
Random Number Generation
Random Integer Generation
Summation
Differentiation Calculations
Integration Calculations
Scientific Constants
Metric Conversion Functions
Physics & Chemistry Functions
Statistical Features
List-based STAT Data Editor
Statistical Functions
Exam Compatibility
Permitted in Exams: GCSE / AS / A Level
Peripheral Devices
QR Code Support
Authenticity Check Feature
At Casio Store, we are committed to delivering your order safely, securely, and as quickly as possible. Every order is carefully packed to ensure your product reaches you in excellent condition.
Shipping Terms
- Standard delivery time is 6–8 working days, depending on your location within Pakistan.
- Delivery times may be extended during public holidays, promotional campaigns, adverse weather conditions, or due to unforeseen courier delays.
- Once your order has been dispatched, you will receive tracking details (where available) to monitor your shipment.
- Customers are responsible for providing a complete and accurate shipping address and contact number. Casio Store will not be responsible for delays or failed deliveries resulting from incorrect or incomplete information.
- If a shipment is returned due to an incorrect address, failed delivery attempts, or refusal to accept the parcel, additional shipping charges may apply for re-delivery.
- Please inspect your package upon delivery. If the package appears damaged or tampered with, record an unboxing video and contact our customer support immediately.
- In the event of a courier-related delay or loss, Casio Store will coordinate with the courier service to resolve the issue as quickly as possible.
- Shipping charges, if applicable, will be displayed during checkout before order confirmation.
- Casio Store currently delivers only within Pakistan unless otherwise stated.
- Casio Store reserves the right to update shipping methods, delivery timelines, and shipping charges without prior notice.
Contact Us
If you have any questions or concerns regarding this Privacy Policy, please contact us:
Email: info@icasiostore.pk
Whatsaspp: 03335552786