Casio Fx-991de X

Batteries, Solar cells
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Product details

Casio presents the new ClassWiz series with the technical-scientific calculators FX-991DE X and FX-87DE X. This series offers numerous innovations: an LC display that has four times the resolution of the well-known displays from the FX-DE Plus series. A spreadsheet function that allows users for the first time to utilize basic spreadsheet calculations on a technical-scientific calculator. And result visualization on a smartphone or tablet, made possible through the newly available QR codes.

Key specifications

Calculator type
Scientific calculator
Functionalities
Basic arithmetic operations / percentage calculation, Financial / economic functions, Scientific functions
Item number
6977535

General information

Manufacturer
Casio
Category
Pocket calculators
Manufacturer no.
FX-991DE X
Release date
15.11.2017
Sales rank in Category Pocket calculators
5 of 772

Colour

Colour
Black
Exact colour description
Black

Material

Material group
Plastic
Material
Plastic

Calculator properties

Calculator type
Scientific calculator
Functionalities
Basic arithmetic operations / percentage calculation, Financial / economic functions, Scientific functions
Number of functions
696 x
Language
German

Display properties

Number of digits
17 x
Number of lines
2 x

Power supply

Power supply
Batteries, Solar cells
Battery size
A76 / LR44 / AG13 / L1154 / LR1154 / 157

Origin

Country of origin
China, Germany, Japan

Sustainability

Manufacturer commitment
RE100, SBTi

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
Battery, Hardcase, Manual

Product dimensions

Length
16.55 cm
Width
7.70 cm
Height
1.11 cm
Weight
90 g

Package dimensions

Length
19.50 cm
Width
8.50 cm
Height
2.70 cm
Weight
186 g

30-day right of return
24 Months Warranty (Bring-in)
4 additional offers

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Goes with

Reviews & Ratings

Warranty score

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

Source: Digitec Galaxus
  • 3.Canon
    0.2 %
  • 3.Genie
    0.2 %
  • 5.Casio
    0.3 %
  • 6.TI
    0.4 %
  • 7.Sharp
    0.7 %

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: Digitec Galaxus
  • 1.Casio
    0 days
  • 2.HP
    2 days
  • 3.TI
    4 days
  • 4.Canon
    12 days

Return rate

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

Source: Digitec Galaxus
  • 4.Genie
    1.1 %
  • 6.HP
    1.4 %
  • 6.TI
    1.4 %
  • 8.Sharp
    2.3 %
  • 9.Casio
    4.1 %
Source: Digitec Galaxus