| Content |
| 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
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he Casio Desktop DJ-240 (commonly the DJ-240D / DJ-240D Plus) is a 14-digit desktop check-and-correct financial calculator designed for office and business use. [ 1, 2, 3] Key Specifications
- Display: Extra-large LCD screen with function command signs and 3-digit comma/separator markers (Standard, European, and Indian formats). [1, 2]
- Check & Correct: Reviews up to 150 or 300 previous calculation steps depending on the exact model variant (Plus versions support up to 300 steps). [1, 2, 3]
- Sound Assist: Recheck function with a buzzer sound to alert you of input errors during verification. [1, 2]
- Functions: Automatic tax calculations (price plus/less tax, discount, selling price, tax/discount/margin amounts), mark-up key, grand total (GT), independent memory, and key rollover for high-speed entry. [1, 2, 3]
- Build: Durable metallic faceplate with UV-coated plastic keys and a tough protective cover. [1, 2]
- Power Supply: Two-way power with solar cell and a backup battery. [1, 2]
| 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]
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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
Simultaneous linear equations
| 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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