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Casio

Casio FX-991EX Engineering/Scientific Calculator Black

4.5
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Item 1191565
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Casio FX-991EX Engineering/Scientific Calculator Black


Non Programmable

GCSE/AS/A Level
Suitable for Cambridge International Examinations GCSE, AS & A Level.

Number of Functions : 552

Natural textbook display
Display expression same as textbook.

10 + 2 digits
10-digit mantissa + 2-digit exponential display.

Dot matrix display
High-resolution screen provides beautiful looking graphs every time.

Icon menu
Specify the operation you want to perform by selecting an icon or inputting a number.

Multi-replay
Quick and easy recall of previously executed formulas for editing and re-execution.

Solar & Battery
Solar powered when light is sufficient, battery powered when light is insufficient.

Plastic keys
Designed and engineered for easy operation.

Basic Statistics
Standard statistics functions such as Mean, SUM, Standard Deviation, and Regression

Ratio

Basic Mathematical Functions
Trigonometric, Exponential logarithmic, etc.

Table Generation
You can create a numerical table based on that expression by registering a function expression. In addition, graph functions can be represented by graphs.

Intermediate Statistics
More statistical functions such as Paired-variable statistical calculation, Quartiles and List display functions for speedy and thorough learning.

Base-n calculation
Binary/Octal/Hexadecimal

Scientific Constants
You can use constant symbols used in physics, science classes.

Vector

Advanced Statistics
Support high level statistics by 7 kinds of advanced distribution calculation.

Inequality

List based STAT-data editor
Viewing and editing of input data in list format, showing data groups (x-data, y-data, frequency) and surrounding data.

Differentiation

Spreadsheet

Non Graphing

Matrix

Equation

Integration

High Resolution
We are choosing a model with higher definition in our non-programmable model and a higher definition model with Programmable model.

Complex number calculation

Metric conversion function
You can convert a number in one unit to a number in a different unit.

QR Code
You can see graphs on smartphones etc. using QR Code.
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