Name: Casio ClassWiz fx-991EX
Brand: Casio
Rating: 5 (1 reviews)

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fx-991EX Quick Start Guide2

Icon Menu Name Description

CALCULATE

Perform general computations using Natural Textbook Display™ notation, including

absolute value, logs of any base, summation, derivatives, and integrals.

COMPLEX

Perform computations with complex numbers, including a + bi form, polar ( )

form, and conversions between the two.

BASE-N

Perform binary, octal, and hexadecimal computations, and convert among those number

bases and base-10.

MATRIX

Perform operations on matrices up to 4x4, including matrix arithmetic,

determinants, transpositions, and identity matrices.

VECTOR

Perform operations on 2- and 3-dimensional vectors, including vector

arithmetic, dot products, angles, and unit vectors.

STATISTICS

Calculate 13 different one-variable statistics, and apply linear, quadratic,

logarithmic, exponential, and geometric (power) regressions.

DISTRIBUTION

Investigate Normal, Inverse Normal, Binomial, and Poisson probability and

cumulative distributions.

SPREADSHEET

Create spreadsheets with up to 5 columns and 45 rows. Spreadsheet

supports Fill, Cut/Copy/Paste, recursive formulas, Mean, and Sum commands.

TABLE

Create tables of values to compare up to 2 functions simultaneously.

EQUATION/

FUNCTION

Solve simultaneous (systems of) equations with up to 4 unknowns, and

polynomials of up to degree 4.

INEQUALITY

Solve polynomial inequalities of up to degree 4, with the solution set expressed as

a compound inequality.

RATIO

Solve proportions of the form A : B = X : D and A : B = C : X.

The following explains the meaning of each icon on the fx-991EX icon menu

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Casio ClassWiz fx-991EX Specifications

General