Casio FX-991DE X

Casio FX-991DE X (German Model)

With matching accessories such as engraving, protective case, screen protector, and more. Order online now and have it safely delivered to your home.

CASIO presents the ClassWiz series with the technical-scientific calculators FX-991DE X and FX-87DE X. These offer numerous innovations, including an LCD display that provides four times higher resolution than the FX-DE Plus series, a spreadsheet function, and result visualization via QR code on smartphones and tablets.

Display:

• Display Type: 63* 192 FULL DOT
• Natural Display
• Algebraic Entry Logic: Natural V.P.A.M.
• Number of Characters/Lines: 17/1+10/1
• Icon Menus
• Exponent Mantissa Display: 10+2

Memory:

• Repeat function
• Variable memory: 9
• Number of storable programs: Calc/Solv key

Elementary Mathematics:

• 696 functions
• 47 scientific constants

Statistics:

• Summation of ∑x, ∑x2
• Summation of ∑x, ∑y, ∑x2, ∑y2, ∑xy

Differential and Integral Calculus:

• Numerical integration
• Numerical differentiation

Other Features:

• Multilingual menus
• QR code function
• Spreadsheet function
• Auto power-off

Recipient of the Comenius EDU Seal

The Casio FX 991 DE X was awarded the Comenius EDU Seal by the Society for Pedagogy, Information, and Media "Johann Amos Comenius," GPI e.V., on June 23, 2022.

For more information, please refer to this press release.