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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.