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fx-991EX

20 resources

A collection of resources designed to help you understand and use the fx-991EX. Please note, this models is now discontinued.

Calculator model
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Probability Distributions Select all
Sequences and Series Select all
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Trigonometry Select all
Vectors and Matrices Select all
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Equations Select all
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Curriculum
Absolute Values fx-991EX
A-LevelGCSE

How to use the absolute or modulus function to create a table of values for a fu...

Calculate – Engineering Quick Start
fx-991EX

How to convert between units. Set scientific and engineering notation and use en...

Calculate – Maths Quick Start
fx-991EXA-LevelGCSE

How to enter basic calculations on the fx-991EX. Includes logarithms summation, ...

Complex Quick Start fx-991EX
fx-991EXFurther Maths

How to enter complex number calculations. Find arguments and conjugates. Covert ...

Distribution Quick Start fx-991EX
fx-991EXA-Level

How to calculate probabilities for binomial, normal and poisson distributions. C...

Equation Quick Start fx-991EX
fx-991EXA-LevelGCSE

How to solve simultaneous equations with up to 4 unknowns. Solve polynomial equa...

Function Keys Quick Start fx-991EX
fx-991EX

An overview of the functions available on the fx-991EX and the individual featur...

fx-991EX Quick Start Guide
fx-991EX

Overview of the menu functions of the fx-991EX with examples for the key apps. C...

fx-991EX User Guide

Reference manual on how to operate every function on the fx-991EX calculator. Co...

Inequality Quick Start fx-991EX
fx-991EXA-LevelGCSE

How to solve quadratic, cubic and quartic inequalities....

Learning Mathematics fx-991EX
fx-991EXA-LevelFurther MathsGCSE

This teaching manual has a series of modules covering core mathematical skills b...

Matrix Quick Start fx-991EX
fx-991EXFurther Maths

How to define and enter a matrix. Perform calculations and find the determinant....

Memory Functions fx-991EX

How to store results and calculated values. Perform operations with recalled val...

Poster – Line Drawing fx-991EX
fx-991EX

Full colour front view line drawing poster. A4, A3, A2, A1 and A0 size....

Poster fx-991EX
fx-991EX

Full colour front view poster with Main Menu screen. A4, A3, A2, A1 and A0 size....

Spreadsheet Quick Start fx-991EX
fx-991EX

How to enter data in a spreadsheet. Grab cell values and copy and paste formulae...

Statistics Quick Start fx-991EX
fx-991EXA-LevelGCSE

How to calculate single variable and bivariate statistics such as mean, standard...

Table of Values fx-991EX
A-LevelGCSE

How to create a table of values of a function with incremental steps. Extend th...

Table Quick Start fx-991EX
fx-991EXA-LevelGCSE

How to calculate a table of values for a function. Change the step interval and ...

Vector Quick Start fx-991EX
fx-991EXFurther Maths

How to define dimensions and store vectors. Perform calculations such as subtrac...