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Turn your own math notes into flashcards with AI

Upload a PDF, slide deck, set of notes or a photo of a worked problem page. DeckOwl builds flashcards from your material so you review the formulas and steps your class actually covers.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates flashcards in seconds

Why custom beats printable sets for math

Printable sets cover common facts, but they rarely match the exact formulas, notation and worked steps your teacher used. Math flashcards made from your own lecture slides and homework solutions fit the course you are taking, so you practice the material that will appear on the test.

Use cards built from your own lecture slides and homework solutions.
Put one formula or definition on each card so misses are easy to diagnose.
Review a short deck daily instead of cramming one long session before the exam.
Check math notation on generated cards, especially exponents, fractions and subscripts.

Example algebra and calculus math flashcards

What is the quadratic formula for solving ax² + bx + c = 0?x = (−b ± √(b² − 4ac)) / 2a, which gives the roots of the quadratic equation.

What is the derivative of sin x?cos x, because the derivative of sine is cosine with no sign change.

What does the Pythagorean theorem state?In a right triangle, a² + b² = c², where c is the hypotenuse opposite the right angle.

What is the integral of 1/x with respect to x?ln|x| + C, where C is the constant of integration. The absolute value covers negative x.

What is the sum of the interior angles of a triangle?180 degrees, which holds for every Euclidean triangle regardless of its shape.

Generate the full set

Built from your material

Flashcards come from the PDFs, slides, notes or page photos you upload, so they match your course rather than a generic set.

Spaced repetition

Cards you miss come back sooner and cards you know come back later, which helps formulas and definitions stick across the term.

Study anywhere

Review in the browser on the free plan. Plus adds exports to PDF, DOCX, Anki and CSV for printing or other apps.

How it works

Upload your math material

Add a PDF, DOCX, PPTX, text file or a photo of a textbook or worksheet page.

Generate your cards

DeckOwl reads the content and creates question and answer flashcards from it.

Review on a schedule

Study the deck with spaced repetition and focus on the cards you keep missing.

Good math cards test the reasoning as well as the answer. Write one card for the formula and another for when to use it or what each variable means. Keep each card to a single idea so that a missed card tells you exactly what to review.

Upload your notes or a photo of a solved problem and DeckOwl will draft the cards for you. Check the generated cards for symbols and steps before you start, then let spaced repetition handle the review schedule.

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Frequently asked questions

How many math flashcards should I make before an exam?

Start with the formulas and definitions from your lecture slides, then add cards for the steps you keep missing. Short daily reviews of a focused deck usually work better than one long session.

Should I memorize math formulas or learn why they work?

Do both by making one card for the formula and a second card asking when to use it or what each variable means. Spaced repetition helps the recall stick, and the explanation keeps you from applying it in the wrong place.

Can DeckOwl make flashcards from a photo of my textbook page?

Yes. Photos of pages are read with text recognition, so a picture of worked problems can become a deck. Check the generated cards for math notation before you study them.

Do I have to pay to export my math flashcards?

The free plan lets you study in the browser with 3 generations per month. Exports to PDF, DOCX, Anki and CSV are part of Plus at $39/year or $7.99/month, and students get 40% off with a school email.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.