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Turn your own notes into an editable concept map

Upload a PDF, DOCX, PPTX, plain-text notes, or a photo of a page and get a concept map you can edit and explore. No credit card needed to start.

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

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Why a concept map beats a flat list of terms

Flashcards drill single facts, but a concept map shows how those facts depend on each other. When you can see that conditional probability builds on joint probability, the formula stops feeling like an arbitrary rule.

Upload PDFs, slides, DOCX files, text notes, or photos of pages
Edit nodes and links so the map matches your course
Explore branches by expanding and collapsing them
Study in the browser on the free plan, with exports included in Plus

Example probability basics concept map branches

Sample spaceAll possible outcomes of an experiment · Written as S or Ω · A coin toss gives {H, T}

Complementary eventsP(not A) = 1 - P(A) · Covers every outcome not in A · Useful when a problem asks for 'at least one'

Independent eventsP(A and B) = P(A) × P(B) · One outcome does not change the other's probability · Two coin flips are independent

Mutually exclusive eventsCannot occur together · P(A and B) = 0 · P(A or B) = P(A) + P(B)

Conditional probabilityP(A given B) = P(A and B) / P(B) · Requires P(B) > 0 · Core step in tree diagrams

Generate the full set

Built from your material

Start with the lecture slides, textbook chapter, or notes you already have. DeckOwl reads PDF, DOCX, PPTX, text, and photos of pages.

Editable branches

Rename nodes, move ideas under different parents, and add missing links so the map matches how your course organizes the material.

Explore before you memorize

Expand and collapse branches to see the big picture first, then drill into the details that a quiz or exam is likely to ask about.

How it works

Upload your notes

Add a PDF, DOCX, PPTX, text file, or a photo of a page. Text recognition handles the photo.

Generate the map

DeckOwl pulls out the main ideas and arranges them as a branching concept map.

Edit and study

Adjust the layout and wording, then explore the map in the browser. Plus adds exports for your other study tools.

Start from the material your instructor actually uses. Upload the chapter or slides and the generator proposes a central topic with branches for definitions, rules, and worked examples. You then reshape the map so it reflects your course rather than a generic outline.

Use the map as a checkpoint. Cover the branches, explain each one from memory, and open the map again to see what you missed. Repeat that a few times before an exam and the connections tend to stick.

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Frequently asked questions

How do I build a concept map for probability basics?

Put the central idea, probability, in the middle, then add branches for sample spaces, events, and rules such as complement and addition. Link each rule to a short worked example so you can see when to use it.

What should each branch of a probability concept map contain?

Keep each branch to one idea and its definition, a formula if there is one, and a simple example such as a coin toss or a die roll. Short labels make the relationships easier to scan.

Can I export my concept map?

The free plan lets you study in the browser without exports. Plus includes PDF, DOCX, Anki, and CSV exports along with unlimited generations.

Do I need a credit card to try it?

No. You can start on the free plan without a credit card, which includes 3 generations per month. Students with a school email get 40% off paid plans.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.