Digital SAT Math
SAT Desmos Calculator Practice
The digital SAT has the Desmos graphing calculator built in, and every SAT Math question here has it one click away, in a window you can move anywhere, along with the SAT reference sheet. Practice 1,925 official Math questions with the tool you will use on test day.
What Desmos Is Great For
- Systems of equations: graph both equations and tap the intersection.
- Quadratics and nonlinear functions: find zeros, the vertex and maximum or minimum values.
- Checking answers: type an expression and compare it to each choice.
- Inequalities: shade the regions and see which point works.
Learn It in the Desmos Course
Narrated lessons show each Desmos move on real SAT questions, and you can load the example right into the calculator and try it yourself.
Open the Desmos Course ›
Best Skills to Practice With Desmos
- Linear Functions ›
- Linear Equations in One Variable ›
- Systems of Two Linear Equations in Two Variables ›
- Linear Inequalities in One or Two Variables ›
- Linear Equations in Two Variables ›
- Equivalent Expressions ›
- Nonlinear Equations in One Variable and Systems of Equations in Two Variables ›
- Nonlinear Functions ›
Common Questions
Is Desmos on the digital SAT?
Yes. The Desmos graphing calculator is built into the digital SAT, and you can use it on every Math question.
Is this the same calculator as test day?
Yes. Every SAT Math question here has the Desmos graphing calculator one click away, in a window you can move anywhere, along with the SAT reference sheet.
What is Desmos best for on the SAT?
Graphing both equations in a system to find the intersection, finding zeros, the vertex and maximum or minimum values, comparing an expression to each answer choice, and shading inequalities.
Which SAT skills should I practice with Desmos?
Start with systems of equations, linear inequalities and nonlinear functions.
Is there a Desmos course?
Yes. The Desmos course teaches the calculator with narrated lessons, and anyone can try Lesson 1 without an account.
Start Practicing Now
Try a question right away, then get access to all 3,770 official SAT questions.