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fx-991EX

$19.99

A new high-performance scientific that has higher resolution to increase the amount of information to be displayed and super-fast calculations for high-stakes testing or for performing the most advanced mathematics.

Its new high resolution LCD screen allows for more information for applications like Spread-sheets and 4X4 matrix calculations. This calculator has a comprehensive set of advanced calculations for integration & differential calculations, along with vector and inequality calculations. For the middle and high school grades, we’ve incorporated basic spreadsheet functionality, ratio and statistical functionality, down to ratio calculation and prime factorization.

No matter what the need, this scientific can do it all! Need graphical representation for data generated by the fx-991EX – no problem! Generate a QR code for your problem, scan the code and immediately see a graphical representation of your data; with a classroom, students can see their collective date in real time with other students.

Product Resources

Video Tutorials

Video Tutorials

Download Manuals

Download Manual

Specifications

OptionValue

Power supply

Solar+(G13/LR44)x1

Body / Color

Black

Dimensions (mm)

165.5 x 77 x 11.1

(inches)

6.52 x 3.03 x 0.44

Approx. Weight (g)

90

(ounces)

3.17

Display (lines or dots)

32x6lines(192x63dots)

Auto Power OFF

Yes

Number of functions

552

Decimal Point Selector

Dot, Comma

Display/Expression

OptionValue

Natural Textbook Display

Yes

Input

Yes

Output(Fraction)

Yes

Output(pi,root)

Yes

UNDO

Yes

Sexagesimal-decimal transformation

Yes

Engineering Notation

Yes

Recurring decimal

Yes

Basic functions

OptionValue

Trigonometric, inverse trigonometric

Yes

Hyperbolic, inverse hyperbolic

Yes

Exponential, logarithmic(log,ln,10x,ex)

Yes

Power and Radical Root

Yes

Fraction

Yes

Mixed Fraction

Yes

Pi

Yes

Rounding

Yes

Angle Unit / Conversion (Deg, Rad, Grad)

Yes

Base specified Logarithmic (Log aB)

Yes

Prime Factorization

Yes

Ratio calculation

Yes

Utilities

OptionValue

Variables

9

Variables list

Yes

Answer Memory (Ans)

Yes

Previous Answer memory (Pre Ans)

Yes

Engineering Symbol calculation

Yes

Solve function

Yes

CALC function (Stored Formula calculation)

Yes

Scientific Constant

47

Metric Conversion

40

Special Features

OptionValue

Statistics

Yes

Standard Deviation

Yes

Regression

Yes

Variance

Yes

Stat values list

Yes

Combination, Permutation (nCr, nPr)

Yes

Random numbers

Yes

Random Integers (RanInt)

Yes

Table function

Yes

Type of table

f(x),g(x)

Complex Number calculation

Yes

Differentiation,Integration calculation

Yes

Base-n calculations

Yes

Break Even Point Calculation

Yes

Matrix calculations

Yes

Vector calculations

Yes

Equation Calculation

Yes

Simultaneous equation

Yes

Investment Appraisal (cash flow)

Yes

Polynomial equation

Yes

Storing result

Yes

Inequality calculation

Yes

Sum calculation (SIGMA)

Yes

Distribution calculation

Yes

Spreadsheet

Yes