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Times tables · spaced repetition

Weak facts come back often, strong facts get retired.

This is the Anki-style drill. It's untimed, so the pressure is gone — but the cards you find hard will keep showing up until they feel easy.

Self rating

Again · Hard · Good · Easy

Be honest — the scheduler is only as good as your ratings.

Persistence

Saved locally

Progress stays in this browser. There's a reset button if you want a clean slate.

Spaced repetition flashcards

Rate each card after you answer. Cards you find hard come back sooner, cards you know well get retired for the session.

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Mastery so far

2
3
4
5
6
7
8
9
10
11
12
2
3
4
5
6
7
8
9
10
11
12
Untested
0 · new/lapsed
1
2
3
4–5 · mastered

How it works

Three buttons drive the scheduler.

Rate each card

After you see the answer, tap Again, Hard, Good, or Easy. The rating decides how soon the card comes back.

Weak cards come back sooner

Again and Hard push the card to the front of the queue. Good and Easy retire it for the session.

Progress is remembered

Each card has a mastery level from 0 to 5 that persists between sessions, so weak facts stay weak until you fix them.