Instead of the exact answer, enter your 90% confidence interval - an interval that you're 90% confident the answer lies within.
Earn more points for a narrower correct interval, lose more points for a narrower incorrect interval.
Based on your score, we recommend you press Hard, Good or Easy.
Higher scores = longer before you need to review the card again!
Track your calibration: press Tools → Show calibration scores. Perfect calibration = your X% confidence interval is correct X% of the time.
1. Open Anki, go to Tools → Addons → Get addons, and paste this code: 694813595
2. Download and open the example deck to add the Interval card type
3. Add some Interval cards:
You can rate this plugin on AnkiWeb.
The source code is on GitHub.
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