Casio Calculator Scientific EX Series FX-991EX

- Number of Functions : 552
- GCSE/AS/A Level: Suitable for Cambridge International Examinations GCSE, AS & A Level.
- 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
- Metric conversion function: You can convert a number in one unit to a number in a different unit.
- 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
- QR Code: You can see graphs on smartphones etc. using QR Code.
- 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.