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fx-991EX Advanced Scientific Calculator (discontinued)
Our advanced scientific calculator, the UK’s best selling, has natural maths display and a host of maths functions.
You get all the basic maths functions plus equation and inequality solvers, probability distributions, complex numbers, matrices and vectors.
You’ll like:
• natural maths display
• advanced maths functions
• the high resolution display
• solar power – never run out of batteries
New ClassWiz range launched March 2023.
- Description
- Specification
Our advanced scientific calculator with solar power comes with additional functions for solving equations and inequalities; calculating probability distributions; complex, vector and matrix arithmetic; base arithmetic and conversion; and a spreadsheet.
Suitable for and permitted in exams where a calculator is allowed at all levels up to A-level (including Further Maths).
CALCULATION: arithmetic, trigonometry, logarithms, exponential, hyperbolic, equivalent ratio, complex number, vectors, matrices, base-n
STATISTICS: mean, standard deviation, quartiles, regression
SOLVER: simultaneous linear, polynomial, non-linear, inequalities
FUNCTIONS: table of values (2 functions),
PROBABILITY: Normal, inverse Normal, Binomial, Poisson
SPREADSHEET
POWER: Solar panel, battery backup
How to Use the FX-991EX
Reference manual on how to operate every function on the fx-991EX calculator. Co…
Overview of the menu functions of the fx-991EX with examples for the key apps. C…
How to define dimensions and store vectors. Perform calculations such as subtrac…
How to create a table of values of a function with incremental steps. Extend th…
How to calculate single variable and bivariate statistics such as mean, standard…
How to enter data in a spreadsheet. Grab cell values and copy and paste formulae…
Full colour front view line drawing poster. A4, A3, A2, A1 and A0 size….
How to store results and calculated values. Perform operations with recalled val…
How to define and enter a matrix. Perform calculations and find the determinant….
This teaching manual has a series of modules covering core mathematical skills b…
An overview of the functions available on the fx-991EX and the individual featur…
How to solve simultaneous equations with up to 4 unknowns. Solve polynomial equa…
Resources
Casio offer a large suite of resources available for UK schools and cover teaching with calculators alongside the most popular subject topics for GCSE and A Level.
Examinations
The fx-85GTX is permitted in all UK, Irish and IB Diploma exams.
FAQs
How can we help? Visit our FAQ page to find out more about our calculators.