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CASIO fx-991EX

advanced scientific calculator

The fx-991EX is the most advanced scientific calculator available. Advanced functions include calculus, probability distributions, equation solvers, matrices and vectors, and spreadsheets. It uses ClassWiz technology for intuitive menu-driven operation and easy access to results. The fx-991EX offers a high-resolution LC display with 192×63 pixels, four times higher than previous calculators, a faster processor and double the memory.

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(SizeLimitingPyMap: {hs_path=series, hs_name=Series, type=Video, curriculum=[{id=1, name='A-level', order=0}, {id=3, name='Further Maths', order=1}], model=[{id=3, name='991EX', order=2}], subject=[{id=38311354541, createdAt=1606993299648, 1='{type=string, value=Sequences and Series - Arithmetic and geometric}'}], resource_type_base_url={type=CONTENT, content_id=38220298390, href=https://education.casio.co.uk/resources/videos}, summary=Calculate the sum of a series., featured_image=Image{width=null, height=null, url='https://info.casio.co.uk/hubfs/CAL/Resources/991EX/How-To/Series-fx-991EX.png'}, download_url=https://info.casio.co.uk/hubfs/CAL/Resources/991EX/How-To/Series-fx-991EX.mp4})

Series

Calculate the sum of a series.

(SizeLimitingPyMap: {hs_path=normal-distribution-inverse, hs_name=Normal Distribution Inverse, type=Video, curriculum=[{id=1, name='A-level', order=0}], model=[{id=3, name='991EX', order=2}], subject=[{id=38301696738, createdAt=1606993546869, 1='{type=string, value=Probability Distributions - Normal}'}], resource_type_base_url={type=CONTENT, content_id=38220298390, href=https://education.casio.co.uk/resources/videos}, summary=Calculate <em><span style="font-family: 'Times New Roman', Times, serif;">X</span></em>-values for a given probability., featured_image=Image{width=null, height=null, url='https://info.casio.co.uk/hubfs/CAL/Resources/991EX/How-To/Normal-Distribution-Inverse-fx-991EX.png'}, download_url=https://info.casio.co.uk/hubfs/CAL/Resources/991EX/How-To/Normal-Distribution-Inverse-fx-991EX.mp4})

Normal Distribution Inverse

Calculate X-values for a given probability.

(SizeLimitingPyMap: {hs_path=calc-function, hs_name=Calc Function, type=Video, curriculum=[{id=1, name='A-level', order=0}, {id=2, name='GCSE', order=3}], model=[{id=3, name='991EX', order=2}], subject=[{id=38311354488, createdAt=1606992286351, 1='{type=string, value=Calculation - Substitution}'}], resource_type_base_url={type=CONTENT, content_id=38220298390, href=https://education.casio.co.uk/resources/videos}, summary=Evaluate <span style="font-family: 'Times New Roman', Times, serif;">f(<em>x</em>)</span> for different values of <span style="font-family: 'Times New Roman', Times, serif;"><em>x</em></span>., featured_image=Image{width=null, height=null, url='https://info.casio.co.uk/hubfs/CAL/Resources/991EX/How-To/Calc-Function-fx-991EX.png'}, download_url=https://info.casio.co.uk/hubfs/CAL/Resources/991EX/How-To/Calc-Function-fx-991EX.mp4})

Calc Function

Evaluate f(x) for different values of x.

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Emulator

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The ClassWiz Emulator

The ClassWiz Emulator is a software program that emulates the operation of the fx-991EX calculator.

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Exams

Examination Eligibility

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Examinations

fx-991EX Exam Eligibility