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Flashcards in Clamly are built around the SM-2 spaced repetition algorithm — the same science that powers the most effective memorization systems in the world. Instead of reviewing every card every day, you spend time on the cards that need it most, and Clamly handles the scheduling automatically.

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Creating a Deck

1

Open Flashcards

Navigate to Flashcards in the sidebar and click New Deck. Give the deck a name (for example, “Biology Chapter 4”) and an optional description.
2

Add Cards

Click Add Card. Fill in the Front (the prompt or question) and the Back (the answer or definition). Repeat for every card you want to include.
3

Save Your Deck

Click Save Deck when you’ve finished adding cards. Your deck is now ready to study.
Keep each card focused on a single fact or concept. Cards that try to cover too much are harder to rate honestly, which throws off the spaced repetition schedule.

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Studying a Deck

1

Start a Review Session

Open a deck and click Study Now. Clamly loads the cards that are due for review today based on your previous ratings.
2

Review Each Card

You’ll see the front of a card first. Think of the answer, then click Reveal to flip it and check yourself.
3

Rate Your Recall

After seeing the answer, rate how well you remembered it — typically on a scale from “Didn’t know it” to “Perfect recall.” Your rating tells the algorithm when to show you that card again.
4

Finish the Session

Work through all due cards. Clamly shows a session summary when you’re done, including how many cards you reviewed and your overall performance.

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How SM-2 Works

Clamly uses the SM-2 (SuperMemo 2) algorithm to schedule every card individually based on your personal performance history.

Cards You Know Well

When you consistently rate a card with high confidence, SM-2 increases the interval before showing it again — from days, to weeks, to months. You won’t waste time on things you already know.

Cards You Struggle With

A low confidence rating resets or shortens the interval, bringing the card back much sooner. Difficult material gets more repetition until it sticks.

Ease Factor

Each card carries a hidden “ease factor” that adjusts over time. Repeated difficulty lowers the ease factor; repeated success raises it, making future scheduling smarter.

Due Cards

Clamly shows you exactly how many cards are due in each deck at any time. Staying on top of your due count is the key habit for spaced repetition to work.
You only need to study the cards that are due — reviewing ahead of schedule doesn’t improve retention and can confuse the algorithm. Trust the schedule.

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Tracking Your Progress

Clamly surfaces several metrics inside each deck so you always know where you stand:
The number of cards scheduled for review today. This is your daily study target. Keeping this count at zero each day is the most reliable path to long-term retention.
The percentage of reviews where you rated your recall as correct. A healthy retention rate sits around 85–90%. If yours is lower, consider simplifying your cards or breaking complex ones into smaller pieces.
Cards with a long review interval and a high ease factor are marked as Mastered. A mastered card will still appear occasionally to keep the memory fresh, but far less often than new or difficult cards.

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Mastering a Deck

A deck is considered mastered when all of its cards reach the Mastered status. Clamly displays a visual indicator on the deck when you hit this milestone. Even after mastering a deck, continue reviewing occasionally — the algorithm will remind you with low-frequency check-ins so your hard-won knowledge doesn’t fade.