Upgrade study and work sessions with a versatile scientific calculator that combines a 6.5-inch writing tablet and a powerful 349-function engine for engineering, financial, and school-level calculations. Solar-powered with a replaceable button battery, this foldable, portable calculator is ideal for students, accountants, and professionals who need a compact, multi-use tool.

Specifications:

• Product Name: Scientific calculator with writing tablet
• Model Number: 991MS
• Functions: 349 computing functions including fractions, statistics, complex numbers, linear regression, base arithmetic, standard deviation, polar-rectangular conversions
• Display: 12 digits
• Writing Tablet Size: 6.5 in (16.5 cm)
• Product Size: 6.4 x 6.4 x 0.3 in (16.3 x 16.3 x 0.8 cm)
• Weight: 152.5 g (5.38 oz)
• Power Source: Solar panel + replaceable button (coin) battery (battery not included)
• Battery Type: Replaceable coin/button battery
• Material: ABS housing, LCD panel, silicone buttons
• Features: Built-in LCD writing/drawing tablet with erase/lock, sensitive plastic keys, foldable cover, pocket or desktop use, magnetic backing
• Applications: School, college, home, office, accounting, engineering, financial calculations
• Certification: CE
• Warranty: 1 year
• OEM/ODM: Support available

Designed for students and professionals, this foldable scientific calculator lets you take notes and sketches while performing complex calculations. The responsive keys and dual-power design ensure reliable performance during exams, homework, office tasks, or field work. The wipeable writing tablet offers quick note-taking that can be locked or erased as needed, while the compact, dust-protective fold makes it easy to carry in a bag or pocket.

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