| Content |
Comes with new slide-on hard case
Power supply:AAA × 1 (R03)
Approximate battery life:2 years
Dimensions:161.5(H) × 77(W) × 13.8(D) mm
A bank of mode keys provides you with one-touch access to the mode you need.
Interest amount, principal and interest
Payment period, interest rate, deposit amount, future value
Investment Appraisal (cash flow)
Net present value method, internal rate of return method, payback period method, etc
Monthly payment, principal and interest to date
Virtually the same functions as a standard calculator.
Statistical and regression
Statistical calculations using input sample data.
Nominal interest rate and effective interest rate conversion
Cost, selling price,or margin
Calculation of any of the above values after inputting the other two
Virtually the same as a standard calculator, with some variation in the input method
| Product Overview
- Model: Casio ClassWiz fx-991CW-PK (Pink edition) [1, 2]
- Display: High-definition 4-gradation dot matrix display with Natural Textbook Display [1, 2]
- Functions: Over 540 mathematical functions, including statistics, spreadsheet calculations, matrix/vector operations, and equation solvers [1, 2, 3]
- Power: Dual-powered via solar and battery backup [1]
- Special Feature: Built-in QR code generation to visualize graphs and access manuals on a mobile device via ClassPad.net [1, 2]
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Optimal education tools realized through s design that emphasizes comfort in the hand, legibility, and usability through the pursuit of simplicity
Features Natural Textbook Display format for displaying equations and calculation result just as they appear in textbooks
Excellent quality and authentication ensure confidence and peace of mind for use in educational settings
Combination and permutation
Statistics (List-based STAT data editor, standard deviation, regression analysis)
Comes with new slide-on hard case
Integration/differential calculations
Complex number calculations
Complex number calculations
| Key Specifications & Features
- Display: Extra-large liquid crystal display with 3-digit comma markers for readability. [1]
- Power Supply: Dual solar and battery power for continuous, reliable operation. [1, 2]
- Key Functions: Mark-up (MU), Grand Total (GT), independent memory, sign change (+/-), backspace, and key rollover for high-speed input. [1, 2, 3]
- Dimensions: 175.5 × 110.5 × 25 mm (approx. 17.55 × 11.05 × 2.50 cm). [1, 2]
- Weight: 150 grams (0.15 kg). [1, 2]
| Key Features
- Display: 10 + 2 digit dot-matrix LCD that shows equations and fractions as they appear in school textbooks. [1, 2]
- Functions: 252 total functions, including prime factorization, random integers, statistics, trigonometry, and a table function. [1]
- Modes: Three main operating modes—COMP (computation), STAT (statistics), and TABLE. [1]
- Power: Runs on a single AAA battery with an approximate two-year battery life. [1]
- Design: Compact, rounded body weighing 105 grams with a multi-directional slide-o
| Key Features
- Display: Extra-large 12-digit liquid crystal display with function command signs and comma markers. [1]
- Check & Correct: Review and navigate up to 300 previous calculation steps. [1]
- Recheck Function: Sounds a buzzer if an error occurs or if inputs do not match during a secondary verification check. [1]
- Localized Number Display: Supports switching between digit separator formats (standard comma separators and Indian numbering formats). [1, 2]
- Business Functions: Includes Mark-up (MU) capabilities, Grand Total (GT) memory, and independent memory. [1, 2]
- Power Supply: Two-way power via solar and a backup battery. [1]
- Dimensions & Weight: 192 × 144 × 34.6 mm; weighs 205 grams. [1]
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