Casio fx-9750G PLUS Graphing Calculator – Features, Functions & Guide

The Casio fx-9750G PLUS graphing calculator is an older but capable graphing calculator designed for mathematics, algebra, statistics, equations, graphing, and other technical calculations. It has been used by students in high school, college, and mathematics courses where a graphing calculator is permitted.

If you are looking for information about the Casio fx-9750G PLUS, you may want to know what it can do, how to graph functions, whether it can solve equations, what mathematics functions it supports, and whether it is still useful for students today.

This guide answers those questions in simple English.

The calculator supports graphing functions, numerical calculations, equation solving, statistics, matrices, lists, financial calculations, programming, and several other mathematical operations. The official Casio manual provides detailed instructions covering these functions.

Important: The fx-9750G PLUS is an older calculator model. Some newer Casio graphing calculators have newer displays, connectivity options, operating systems, and features. If you already own an fx-9750G PLUS, however, understanding its functions can still make it useful for many math problems.

What Is the Casio fx-9750G PLUS?

The Casio fx-9750G PLUS is a programmable graphing calculator made for mathematical and scientific work.

Unlike a basic calculator, it can do more than addition, subtraction, multiplication, and division. It can store functions, draw graphs, work with data lists, perform statistical calculations, solve certain equations, calculate derivatives and integrals, and run programs.

The calculator’s documentation includes separate sections for basic calculations, numerical calculations, equation calculations, matrices, graphing, statistics, financial calculations, programming, and list operations.

This makes it particularly useful when a student needs to work through several steps of a mathematics problem.

Quick Overview

Feature	Casio fx-9750G PLUS
Calculator type	Graphing calculator
Graphing	Yes
Equation solving	Yes
Statistics	Yes
Matrix calculations	Yes
Lists	Yes
Programming	Yes
Financial calculations	Yes
Derivatives	Yes
Integration	Yes
Tables	Yes
Data analysis	Yes
Display	Monochrome LCD
Power	Batteries
Main use	Mathematics, statistics, graphing and technical calculations

The exact functions and operating procedures should be checked against the official documentation because this is an older model and not every function found on newer Casio calculators is available on the fx-9750G PLUS.

What Can the Casio fx-9750G PLUS Do?

The fx-9750G PLUS includes a surprisingly broad collection of mathematical functions.

It can be used for:

• Basic arithmetic
• Fractions
• Trigonometry
• Logarithms
• Exponents
• Function graphing
• Tables
• Equation solving
• Quadratic equations
• Cubic equations
• Simultaneous equations
• Derivatives
• Integration
• Maximum and minimum calculations
• Summations
• Statistics
• Regression
• Matrices
• Lists
• Financial calculations
• Programming
• Data transfer between compatible devices

The calculator manual documents graphing, numerical calculations, equations, matrices, statistics, financial mathematics, lists, and programming as separate areas of the system.

Casio fx-9750G PLUS Graphing Functions

Graphing is one of the main reasons students use a graphing calculator.

To graph a function on the fx-9750G PLUS, you enter the GRAPH mode, enter the function, and then draw the graph. The manual explains that the GRAPH mode lets users store, edit, select, and draw functions.

For example, you might want to graph:

y = x²

The calculator can display the curve so you can study how the function behaves.

Graphing can help students understand:

• Linear functions
• Quadratic functions
• Polynomial functions
• Trigonometric functions
• Exponential functions
• Inequalities
• Parametric functions
• Tables of values

The calculator also includes graph-related tools such as zooming, graph memory, and other graph operations.

How to Graph a Function

A basic workflow is:

1. Turn on the calculator.
2. Open the GRAPH mode.
3. Enter the function.
4. Check the graph settings.
5. Select the draw option.
6. Examine the graph.
7. Adjust the viewing window if necessary.

The exact button sequence depends on the function and calculator mode, so the official manual is useful when you need a detailed button-by-button procedure.

For the complete official documentation, see Casio’s official fx-9750G PLUS manual.

Can the fx-9750G PLUS Solve Equations?

Yes. Equation calculations are one of the calculator’s important mathematical functions.

The fx-9750G PLUS can handle several types of equations, including:

• Linear equations with multiple unknowns
• Quadratic equations
• Cubic equations
• General solve calculations

The manual specifically documents linear equations with two to six unknowns, quadratic and cubic equations, and a Solve function.

For example, a simple equation such as:

2x + 3 = 11

can be solved by entering the equation into the appropriate calculator mode.

For polynomial equations, you can enter the required coefficients and use the calculator’s equation-solving functions.

This can save time when checking homework or verifying a solution obtained by hand.

Can It Calculate Derivatives and Integrals?

Yes.

The fx-9750G PLUS includes numerical calculation functions for:

• First derivatives
• Second derivatives
• Definite integrals
• Maximum values
• Minimum values
• Summations

The Casio documentation describes a CALC menu that includes Solve, first derivative, second derivative, integration, minimum, maximum, and summation calculations.

For example, you can use numerical integration to estimate the area under a curve between two values.

This can be helpful in calculus classes when you need to check a manually calculated answer.

Important: A calculator result should be treated as a numerical result unless you understand exactly what method and settings the calculator is using. It does not replace understanding the calculus concept.

Statistics on the Casio fx-9750G PLUS

The fx-9750G PLUS has a substantial statistics section.

You can enter data into lists and use the data for statistical calculations and graphs.

Common statistical information includes:

• Mean
• Sum
• Sum of squares
• Population standard deviation
• Sample standard deviation
• Minimum
• Maximum
• Median
• Quartiles
• Mode
• Regression information
• Correlation-related values

The documentation also describes statistical graphs and calculations, including single-variable and paired-variable data.

Example of a Statistics Workflow

Suppose a student has these test scores:

Student	Score
1	72
2	81
3	88
4	91
5	95

The data can be entered into a list and then analyzed.

The calculator can help determine values such as the average and standard deviation.

This is useful for statistics homework, classroom exercises, and data analysis.

Regression and Data Analysis

The fx-9750G PLUS can also work with regression data.

Regression is useful when you want to examine the relationship between variables.

Depending on the selected statistical method, the calculator can work with different types of regression and display statistical parameters.

For example, students can enter paired X and Y data and use the calculator to examine a relationship between the two variables. The manual documents several regression and statistical graphing procedures.

This can be useful for:

• Algebra
• Statistics
• Science labs
• Data analysis
• Research exercises
• Mathematical modeling

Matrix Calculations

The fx-9750G PLUS also supports matrix calculations.

Matrices are commonly used in:

• Algebra
• Linear equations
• Engineering mathematics
• Computer science
• College mathematics

The calculator documentation contains a dedicated matrix calculations section, including matrix input and operations.

If you are taking a course that requires matrix calculations, learning the matrix mode can save time on repetitive arithmetic.

Programming on the fx-9750G PLUS

One feature that makes the fx-9750G PLUS different from a basic scientific calculator is programming.

The calculator supports Casio BASIC-style programming, allowing users to create and run programs.

Programming can be useful when:

• A calculation must be repeated many times.
• You want to automate a mathematical procedure.
• You are learning basic programming concepts.
• You want to create a custom calculation.

The documentation includes a programming section and program commands for the fx-9750G PLUS.

However, programming on an older calculator is more limited than programming on a computer or modern graphing calculator.

Financial Calculations

The fx-9750G PLUS is not only designed for algebra and graphing.

Its documentation also includes financial calculations such as:

• Simple interest
• Compound interest
• Investment appraisal
• Loan amortization
• Interest-rate conversions
• Cost and margin calculations
• Date calculations

This makes the calculator useful for some finance-related mathematics as well.

Is the Casio fx-9750G PLUS Good for Students?

The answer depends on what the student needs.

For students who already own one, the calculator can still provide useful graphing, statistics, equation, and mathematical functions.

For students choosing a calculator today, it is important to compare the older fx-9750G PLUS with the requirements of their school, course, or examination.

A newer graphing calculator may offer a more modern interface and additional features, while the older fx-9750G PLUS may be sufficient for courses that only require its supported mathematical functions.

Things to Consider

Student need	What to check
Algebra	Equation and graphing functions
Geometry	Required graphing and calculation features
Calculus	Derivative and integration functions
Statistics	Lists, statistics and regression
Programming	Available programming functions
Exams	Current testing rules
College course	Instructor requirements
Modern software features	Compare with newer models

Is the Casio fx-9750G PLUS Allowed on Exams?

Exam calculator rules can change, so students should always check the current rules for their specific exam.

The calculator has historically been marketed and discussed as suitable for several standardized exams, and some U.S. educational institutions list the fx-9750G PLUS among calculators allowed for certain math courses or assessments. For example, the University of Arizona’s mathematics placement information currently lists the fx-9750G PLUS among graphing calculators allowed for its PPL assessment and many courses.

However, permission at one school or assessment does not automatically mean permission on every exam.

Before taking an SAT, ACT, AP exam, state assessment, placement test, or college examination, check the current calculator policy published by the organization administering that test.

Do not rely only on an old calculator package, online forum post, or seller description.

Casio fx-9750G PLUS for SAT and ACT

Students searching for the fx-9750G PLUS often want to know whether they can use it for standardized testing.

This is an important question, but exam policies can change over time.

An older Casio calculator may have been permitted under previous rules, while the current policy for a particular test may be different.

For that reason, check the current official testing policy before bringing the calculator to an exam.

A calculator being technically capable of performing a calculation does not mean that a testing organization allows it.

How to Use an Online Calculator Alongside the fx-9750G PLUS

A physical graphing calculator is useful when you need to work offline, but an online calculator can be convenient when you are using a computer, tablet, or phone.

If you are checking a calculation while studying, an online calculator can provide a quick way to verify arithmetic or explore a mathematical result.

You can use the calculator provided on this page to perform calculations directly in your browser.

This is especially convenient when you do not have your physical calculator nearby.

For example, an online calculator can be useful for:

• Checking arithmetic
• Verifying homework
• Practicing calculations
• Comparing results
• Quickly testing numbers
• Working from a laptop or desktop

The important point is to use the right calculator for the problem. A simple arithmetic problem does not always require a graphing calculator.

fx-9750G PLUS vs. an Online Calculator

These tools serve different purposes.

Feature	fx-9750G PLUS	Online Calculator
Physical device	Yes	No
Requires batteries	Yes	No
Works without internet	Yes	Usually no
Easy access on computer	No	Yes
Graphing	Yes	Depends on tool
Statistics	Yes	Depends on tool
Programming	Yes	Usually different
Homework checking	Yes	Yes
Quick browser calculations	No	Yes
Exam use	Depends on exam rules	Usually not applicable

An online calculator is best viewed as a convenient calculation resource, while the fx-9750G PLUS is a dedicated physical graphing calculator.

What Are the Limitations of the fx-9750G PLUS?

Although the fx-9750G PLUS has many mathematical functions, it is an older model.

Some limitations to keep in mind include:

• Older hardware
• Monochrome display
• Older user interface
• Older connectivity
• No modern smartphone-style interface
• Fewer modern features than some newer graphing calculators
• Exam compatibility must be checked against current rules
• Some functions available on newer calculators are not available on this model

The official manual itself distinguishes functions supported by other models from those supported by the fx-9750G PLUS.

This is important when following tutorials written for a newer Casio model.

A tutorial for an fx-9750GII, fx-9860G, fx-CG, or another model may use menus or features that do not exist on the original fx-9750G PLUS.

Common Casio fx-9750G PLUS Questions

How do I graph a function on the fx-9750G PLUS?

Enter the GRAPH mode, enter the function, and use the calculator’s draw command to display it. The official manual provides detailed graphing instructions.

Can the fx-9750G PLUS solve quadratic equations?

Yes. The equation mode includes quadratic equation calculations.

Can it solve cubic equations?

Yes. The calculator’s equation functions include quadratic and cubic equations.

Can the fx-9750G PLUS calculate derivatives?

Yes. It supports numerical first- and second-derivative calculations.

Can it calculate integrals?

Yes. Numerical integration is included among its calculation functions.

Does the fx-9750G PLUS have statistics?

Yes. It supports lists, statistical calculations, graphs, regression, and several statistical measures.

Does the fx-9750G PLUS support matrices?

Yes. Matrix calculations are included in the calculator’s documented functions.

Can you program the Casio fx-9750G PLUS?

Yes. The calculator supports programming functions and a program library.

Is the fx-9750G PLUS still useful?

It can still be useful for students who need its graphing, equation, statistics, and mathematical functions. However, it is an older model, so students should compare its features with their current course and exam requirements.

Is the fx-9750G PLUS allowed on every exam?

No. Calculator policies are determined by the individual testing organization. Always check the current official rules before an exam.

Where can I find the fx-9750G PLUS manual?

The official Casio manual provides detailed instructions for the calculator’s modes and functions. Official Casio fx-9750G PLUS User Manual

Important Points to Remember

• The Casio fx-9750G PLUS is a programmable graphing calculator.
• It can graph mathematical functions.
• It supports equation calculations.
• It can perform numerical derivatives and integration.
• It supports statistics and regression.
• It includes matrix and list calculations.
• It supports programming.
• It also includes financial calculation functions.
• It is an older calculator model.
• Newer calculators may have more modern features.
• Calculator rules differ between exams.
• Always verify current testing requirements before an exam.
• Do not assume that instructions for newer Casio models work exactly the same way on the fx-9750G PLUS.
• An online calculator can be useful for quick calculations and checking results when you are working on a computer or mobile device.

Final Thoughts on the Casio fx-9750G PLUS

The Casio fx-9750G PLUS graphing calculator remains an interesting and capable tool for students who need graphing, equations, statistics, calculus-related numerical calculations, matrices, lists, and programming.

Its biggest advantage is the range of mathematical functions available in one dedicated device. The calculator can handle much more than ordinary arithmetic and can be useful for checking mathematical work and exploring functions and data.

At the same time, it is important to remember that the fx-9750G PLUS is an older model. Its interface and hardware are not comparable to every modern graphing calculator. Students should therefore choose a calculator based on the requirements of their class, school, and examination.

If you already have an fx-9750G PLUS, learning its GRAPH, EQUA, STAT, LIST, and calculation functions can help you get much more from the device. If you simply need to check a calculation while studying online, the calculator on this page can also provide a convenient way to work with numbers directly in your browser.

For detailed operating instructions, use the official Casio documentation rather than relying on instructions written for a different calculator model.

Frequently Asked Questions

What is the Casio fx-9750G PLUS?

The Casio fx-9750G PLUS is a programmable graphing calculator designed for mathematics, statistics, graphing, equations, calculus-related numerical calculations, matrices, lists, financial calculations, and programming.

Is the Casio fx-9750G PLUS a scientific calculator?

It performs many scientific calculations, but it is classified as a graphing calculator because it can store and draw mathematical functions.

Can I graph equations with the fx-9750G PLUS?

Yes. The GRAPH mode allows users to enter functions and draw their graphs.

Can it solve systems of equations?

Yes. Its equation functions include linear equations with two to six unknowns.

Can it calculate standard deviation?

Yes. The statistics functions include population and sample standard deviation calculations.

Can it do regression?

Yes. The calculator supports statistical graphing and regression calculations.

Does it have a table function?

Yes. The fx-9750G PLUS documentation includes table and graph functions.

Can I use it for calculus?

It can perform numerical derivative and integration calculations, along with maximum, minimum, and summation calculations.

Should I buy an old fx-9750G PLUS?

The answer depends on your requirements, budget, course, and exam rules. Because it is an older model, compare its available functions with the requirements of your school or test before making a purchase.

Can I use an online calculator instead?

For homework practice, checking arithmetic, and many everyday calculations, an online calculator can be convenient. However, it does not automatically replace the functions, workflow, or exam eligibility of a physical graphing calculator.