The best back-to-school calculators

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Need a new calculator for the school year? Whether you’re looking for a scientific calculator for lab lessons or a graphing calculator that can be used on standardized math tests, we’ve found the best calculator options for sale online. Best of all, many of these calculators are selling at a deep back-to-school discount.

The best products in this article

Texas Instruments TI-84 Plus graphing calculator, $100 (reduced from $150)

Casio fx-55 Plus fraction calculator, $19 (was $23)

Texas Instruments TI-30XS MultiView Scientific Calculator, $15 (was $20)

You may think buying a calculator is one of the easiest purchases on your back-to-school list, but there are actually several options. High school math students will likely need a graphing calculator, while other specialized classes may require a scientific calculator.

An important factor to consider when buying a calculator: not all of them can be used in standardized tests. We recommend that you review the updated 2023 AP Exam Calculator Policy and SAT Calculator Policy before purchasing. (In general, most scientific and graphing calculators are allowed as long as they don’t have a QWERTY keyboard or wireless communication capabilities.)

To help simplify your back-to-school shopping, we’ve compiled a list of the top-rated calculators. These calculators have received rave reviews from parents, teachers, and students online. Of course, it’s a good idea to double-check your school supply list or schedules to make sure you’re buying a calculator that meets teachers’ requirements.

The best primary school calculators for back to school

Check out these top rated calculators for young students.

Casio fx-55 Plus fraction calculator



If you have an elementary or middle school student, consider this fraction calculator. The 4.7-star rated calculator is easy to use and can help students perform common calculations with fractions and whole numbers.

“I use it for my grades 5-7 math lessons and ask my students to buy it,” one reviewer shared. “I love the style of display and the fraction functions! It’s simple yet very comprehensive and has everything we need and more.”

Casio fx-55 Plus fraction calculator, $19 (was $23)

Texas Instruments Elementary Calculator



This 4.8-star rated calculator is designed for students in grades three through six. It supports subtraction, addition, multiplication, division and fractions. It also includes built-in flashcards to help students develop their math skills.

Texas Instruments Basic Calculator, $20

The best back-to-school scientific calculators

Scientific calculators are designed for higher level mathematical and scientific calculations. These are often requested in middle school and high school classrooms.

Texas Instruments TI-30XS MultiView Scientific Calculator



This Texas Instruments calculator has an Amazon rating of 4.8 stars. The TI-30XS MultiView can perform basic calculations as well as more advanced functions such as stacked fractions, exponents, and exact square roots. One remarkable thing about this calculator is that it is one of the models approved for use in the SAT, ACT, GED, and AP exams.

Texas Instruments TI-30XS MultiView Scientific Calculator, $15 (was $20)

Casio Standard Scientific Calculator



If you are looking for a simple and reliable scientific calculator, this Casio calculator is a valid option. It offers a display similar to those in math textbooks.

Casio Standard Scientific Calculator, $11

Best Graphing Calculators for Back to School

Students taking algebra, calculus, and advanced science classes will want one of these calculators with graphing capabilities.

Casio FX-9750Glll Graphing Calculator



This Casio model is a relatively affordable option. The Casio FX-9750Glll can graph rectangular, polar, and parametric functions and inequalities. It can also perform graphical analysis and graphical conic sections. It can be used for math, science and finance lessons.

Casio FX-9750Glll graphing calculator (black), $50

It’s also available in pink, if you or your child prefer a more colorful option.

Casio FX-9750Glll graphing calculator (pink), $50

Texas Instruments TI-84 Plus Graphing Calculator



The TI-84 Plus is one of the most popular graphing calculators on the market. it has been a mainstay of math classrooms for decades. It boasts a 4.7 star rating with over 13,000 reviews on Amazon. With this graphing calculator, students can have up to 10 functions defined, saved, graphed and analyzed at the same time.

Texas Instruments TI-84 Plus graphing calculator, $100 (reduced from $150)

Texas Instruments TI-Nspire CX II Color Graphing Calculator



This premium graphing calculator is a great choice for students. It has a bright touch screen that can display color graphics. It offers six styles and 15 colors to differentiate the look of each chart.

Note that because this calculator has a QWERTY keyboard, it cannot be used during AP or college entrance exams.

A reviewer shared how the calculator helped them in college.

“As a student in engineering school, this calculator really helps save time. With its CAS, solving integrals and taking complicated derivatives couldn’t have been easier. It has functions ranging from solving systems to statistical data analysis, and you can even program your own functions using TI-Basic. Overall, this is definitely a must-have for any student taking advanced engineering courses.”

Texas Instruments TI-Nspire CX II Color Graphing Calculator, $194

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