SAT® & ACT® Math Prep

Stop guessing.
Start graphing.

GraphPrep teaches you to use the Desmos calculator — the most powerful tool on the SAT® & ACT® — to solve any problem, step by step.

Try Free — No card needed See how it works →
1 free problem/day
Works with SAT® & ACT®
Real Desmos calculator

Why GraphPrep

Every wrong answer
becomes a lesson

Paste any SAT® or ACT® math problem and get an instant, personalized Desmos walkthrough — not just the answer.

Instant Analysis

Paste any problem and get a step-by-step Desmos strategy in seconds — no manual setup required.

Guided Walkthrough

Follow numbered steps that teach you exactly what to type into Desmos and why it works.

Hands-On Practice

Switch to Hands-On mode and enter the expressions yourself, with hints when you need them.

How it works

Three steps to
the right answer

From problem to understanding in under a minute.

1

Paste your problem

Type or paste any SAT®/ACT® math question — or snap a photo. GraphPrep reads it instantly.

2

See the Desmos strategy

Get a tailored walkthrough: which expressions to enter, what to look for, and why it works.

3

Practice it yourself

Replay in Hands-On mode until the technique sticks — so you can do it solo on test day.

Pricing

Start free.
Unlock more when ready.

Free

$0

Free forever

1 problem/day

Monthly

$9

/month

300 problems/month

Best value

6-Month Pass

$30

one-time

300 problems/month for 6 months

See full pricing & features →

Your test date is coming.
Start practicing today.

Join students using GraphPrep to turn Desmos into their secret weapon on the SAT® & ACT®.

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