Your data. Your choice.

If you select «Essential cookies only», we’ll use cookies and similar technologies to collect information about your device and how you use our website. We need this information to allow you to log in securely and use basic functions such as the shopping cart.

By accepting all cookies, you’re allowing us to use this data to show you personalised offers, improve our website, and display targeted adverts on our website and on other websites or apps. Some data may also be shared with third parties and advertising partners as part of this process.

Casio FX-991DE CW

Solar cells, Batteries
Price in EUR including VAT
Delivered between Mon, 17/11 and Wed, 19/11
More than 10 pieces in stock at supplier
Free shipping starting at 39,–

Product details

With 696 functions, the FX-991DE CW calculator is the most powerful model among technical and scientific calculators. The innovative operation and menu navigation simplify the use of the calculator for students. Abbreviations and shortcuts are largely avoided. Mathematical expressions such as roots, fractions, and logarithms are displayed in natural notation.

Key specifications

Calculator type
Scientific calculator
Functionalities
Automatic switch-offFinancial / economic functionsRounding functionScientific functions
Item number
25050201

General information

Manufacturer
Casio
Category
Pocket calculators
Manufacturer no.
FX-991DE CW
Release date
25/8/2023
External links

Colour

Colour
Black
Exact colour description
Black

Material

Material group
Plastic
Material
Plastic

Calculator properties

Calculator type
Scientific calculator
Functionalities
Automatic switch-offFinancial / economic functionsRounding functionScientific functions
Number of functions
696 x
Equipment
Protective film
Language
German

Display properties

Number of digits
12 x
Number of lines
4 x

Power supply

Power supply
BatteriesSolar cells
Battery size
A76 / LR44 / AG13 / L1154 / LR1154 / 157

Origin

Country of origin
China

Sustainability

Manufacturer commitment
RE100SBTi

Voluntary climate contribution

Manufacturer compensation
According to RE100, the manufacturer Casio fully compensates for its energy consumption, leading to a reduction in emissions.
CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
CaseCasio FX-991DE CW Technical scientific calculator

Product dimensions

Length
16.20 cm
Width
7.70 cm
Height
1.10 cm
Weight
95 g

Package dimensions

Length
21 cm
Width
8.50 cm
Height
2.50 cm
Weight
154 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
24 Months statutory warranty

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Pocket calculators» category have a defect within the first 24 months?

Source: Galaxus
  • 3.Canon
    0,2 %
  • 3.Ibico
    0,2 %
  • 5.Casio
    0,3 %
  • 6.TI
    0,4 %
  • 7.Sharp
    0,8 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 1.Casio
    0 days
  • 2.HP
    2 days
  • 3.TI
    4 days

Return rate

How often is a product of this brand in the «Pocket calculators» category returned?

Source: Galaxus
  • 5.HP
    0,8 %
  • 6.Canon
    1 %
  • 7.TI
    1,3 %
  • 8.Casio
    2,2 %
  • 8.Sharp
    2,2 %
Source: Galaxus