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Study math faster with flashcards made from your own notes

Upload a PDF, slide deck, set of notes or a photo of a textbook page and get math flashcards with spaced repetition. No credit card needed to start.

Create flashcards nowFree · No credit card required

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

What to look for in a math flashcards app

Choosing the best math flashcards app usually comes down to one question: does it work with the material your class actually uses? A deck of generic algebra cards helps less than cards pulled from your own chapter on quadratics or your professor's slides on limits.

Cards generated from your own notes, slides or textbook pages
Spaced repetition that brings back the formulas you miss
Answer explanations so you see why a step works, not just the result
Exports to PDF, DOCX, Anki or CSV on the Plus plan

Example algebra and calculus flashcards

What is the derivative of sin(x)?cos(x). It follows from the limit definition of the derivative and is a standard rule to memorize.

What is the quadratic formula?x = (−b ± √(b² − 4ac)) / 2a. It gives the solutions of ax² + bx + c = 0 for any real coefficients where a is not zero.

State the Pythagorean theorem.a² + b² = c², where c is the hypotenuse, the side opposite the right angle in a right triangle.

What is the integral of 1/x with respect to x?ln|x| + C. The absolute value lets the rule apply to negative x as well as positive x.

What does a determinant of zero tell you about a 2×2 matrix?The matrix is singular, so it has no inverse. Its columns or rows are linearly dependent.

Generate the full set

Built from your material

Flashcards come from the pages you upload, so your cards match the theorems, formulas and examples your instructor actually covers.

Spaced repetition

Cards you miss come back sooner and cards you know fade out, which helps formulas stick across a semester instead of one cram night.

Export when you need it

Plus exports to PDF, DOCX, Anki and CSV, so you can print a review sheet or move your deck into another study app.

How it works

Upload your math notes

Add a PDF, DOCX, PPTX, plain text file or a clear photo of a page. Photos are read with text recognition.

Review the generated cards

Check the questions and answers against your class material and edit any card that needs a clearer term or step.

Study on a spacing schedule

Work through the deck in the browser. Cards you get wrong return sooner, so practice goes where you need it.

Math needs more than memorized definitions. Look for an app that supports short answer practice with explanations, so you can check your reasoning, and spaced repetition, so you revisit the rules you forget. Export matters too if you want to move cards into Anki or print them for a study group.

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Frequently asked questions

How many flashcards should I make for calculus?

Aim for one card per theorem, rule or method, plus a few worked-example cards for each unit. Keeping each card to a single idea makes spaced repetition more effective.

Should I use flashcards for formulas or for solving problems?

Use flashcards for formulas, definitions and the steps of a method, then practice full problems on paper. Flashcards build recall, while problem sets build the ability to apply it.

Does DeckOwl export math flashcards?

Exports to PDF, DOCX, Anki and CSV are included in the Plus plan at $39/year or $7.99/month. The Free plan lets you study flashcards in the browser with 3 generations per month.

Can DeckOwl read photos of my math notes?

Yes, photos of pages are read with text recognition, and images are one of the accepted inputs. Use a clear, well-lit picture so the text can be read accurately.

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