Casio FX-991EX Original Scientific Calculator Classwiz 552 function Spreadsheet

Calculator Model: FX-991EX

FX-991EX Scientific Calculator Classwiz

New in box

Features overview

The ClassWiz series with high-resolution LCD and many other extras

The Classwiz series offers a new high-resolution LC display with 192×63 pixels and a resolution that is four times higher than that of the familiar displays of the FX-ES Plus series. In addition, the new ClassWiz series boasts new hardware with a faster processor and double the memory size.

Functions & general information

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There is also a spreadsheet which allows the user to perform basic spreadsheet calculations on a scientific calculator for the first time. In addition, results can be viewed on a smartphone or tablet thanks to the newly available QR code¹ function.

Detailled Specification:

• High-resolution LC display with 192 x 63 pixels
• Natural-V.P.A.M. – Natural display
• 552 functions
• Icon menu
• Spreadsheet
• QR code function¹
• Solving equations and systems of up to four equations
• 4X4 matrices
• Vector calculations
• Integration calculations
• Differential calculations
• Probability distribution
• Calculation with technical symbols
• Undo-Function
• Complex number calculation
• Base-N calculations
• Equation calculations
• Inequality calculation
• SUM calculation
• 47 wcientific constants
• 40 metrixc conversions
• Automatic parenthesis
• 24 Parentheses level
• Variable memory (9)
• Trigonometric and invers trigonometric functions
• Hyperbolic and invers hyperbolic functions
• Power / Power Root calculations
• logarithmic calculations
• Exponential calculations
• Root calculations
• Combinatoric and Permutation
• Prime factorization
• Random Integer
• Conversion of polar coordinates into rectangular coordinates and invers
• Fraction (two modes)
• Conversion of sexagesimal into decimal and invers
• Calculates in Degree, Grad and Radian
• SCI/FIX/ENG function
• List based statistics
• 1-variable statistics
• Standard deviation
• 2-variable statistics (Regressions)
• Percentage calculation
• Non-natural input
• Output with √ form
• Output with Π form
• Function table

¹ QR Code is registered trademark of DENSO WAVE INCORPORATED in Japan and in other countries.

General specifications

• 552 functions
• Display: „Natural Textbook Display“ Natural V.P.A.M.
• High-Resolution LC-Display, 63 x192 dots, 16/10 + 2 digits
• Energy supply: Solar + Battery (1xLR44)
• Comes with new slide-on hardcase
• Dimensions (H x W x L): 77 x 165,5 x 11,1 mm
• Weight: 90g