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ROATEE 991ES MAX scientific calculator with writing tablet

ROATEE ★ 3.9/5 · ItemOracle Score Budget

$35 USD
Price subject to change
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Rechargeable ROATEE 991ES MAX Scientific Calculators, CalcNote Multiview 4-Line Display with LCD Writing Tablet Notepad, Foldable Portable for Business High School College Students and Teacher(Black)

ROATEE 991ES MAX scientific calculator with 4-line display and LCD writing tablet. Reputable for handling general math to complex equations and features 417 functions. Customer insight notes good quality and ease of use, with mixed views on functionality and battery life

Highlights

  • multifunction 417-functions
  • built-in writing tablet
  • large 4-line display

Pros

  • multi-function calculator with 417 functions
  • writing tablet feature for notes
  • foldable portable design
  • suitable for students and teachers
  • clear multi-line display

Cons

  • mixed reviews on battery life
  • some report non-functioning units
  • buttons receive mixed feedback

Best For

  • general math and science
  • algebra and geometry practice
  • statistics and regression calculations
  • note taking during calculations
  • classroom teaching and demonstrations
  • businesstype calculations

Features

  • Supports 417 functions across general math, science, and statistics
  • Suitable for pre-algebra through calculus and geometry problems
  • Handles fractions, decimals, and regression calculations
  • Includes BASE-N calculations for number system practice

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