View the manual for the Casio FX-991EX here, for free. This manual comes under the category Calculators and has been rated by 68 people with an average of a 8.3. This manual is available in the following languages: English. Do you have a question about the Casio FX-991EX or do you need help? Ask your question here

Below you will find the product specifications and the manual specifications of the Casio FX-991EX.

Brand | Casio |

Model | FX-991EX | FX-991EX |

Product | Calculator |

EAN | 4971850032489, 0079767032593, 4971850092322, 4971850094746, 4971850093893, 0809787035195, 0809394579433, 6902809251659 |

Language | English |

Filetype | Usermanual (PDF) |

Form factor | |

Type | Scientific |

Product colour | Black,White |

Cover | ✗ |

Control type | Buttons |

Power source | Battery/Solar |

Battery type | LR44 |

Number of batteries supported | 1 |

Weight | 90 g |

Width | 77 mm |

Depth | 165.5 mm |

Height | 11.1 mm |

Digits | 16 digits |

Display tilting | ✗ |

Display type | LCD |

Backlight display | ✗ |

Display number of characters | 16 |

Display number of lines | 2 lines |

Display resolution | 192 x 63 pixels |

Second display | ✗ |

Storage media type | - |

Operation | 552 |

Convert angles from degrees to | Gradian,Radian |

Random number/integer generator | ✓ |

Conversion between | Decimal,Fraction,Percent |

Can't find the answer to your question in the manual? You may find the answer to your question in the FAQs about the Casio FX-991EX below.

What is an Overflow error?

A battery in my Calculator has started to corrode. Is the device still safe to use?

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## Need help?

Do you have a question about the Casio FX-991EX and the answer is not in the manual? Ask your question here. Provide a clear and comprehensive description of the problem and your question. The better your problem and question is described, the easier it is for other Casio FX-991EX owners to provide you with a good answer.

I have the FX 991X class Wiz trying to figure out if there’s a 1/ X button

How do you imput an equation containing the unknown (x) as an exponent?

how to input infinity

can manual be printed from pc

how is 3x2x2 used

Come faccio a mettere l'infinito come valore scritto?

come passo da DEG a RAD?

devi cliccare shift e poi menù, successivamente premi 2 e da lì scegli quello che ti interessa.

Qual è il tasto "DRG" che mi permette di passare a RAD oppure a DEG ? Grazie

I have never used a scientific calculator before . i recently bought one for my foundations of algebra class and dont even know where to start. is there a video that will show me step by step or website i can go to that can show me how it works or what it does. i dont know the algebra math lingo or terminology so i get lost on you tubeand what i type in from the book it doesnt give me what im typing in. Please help and frusterated where im ready to toss it where can i start as i do not know where to start.

Number of questions: 9