Spaced repetition algorithm for scheduling flashcard repetitions. SuperMemo 2 is used as a repetition algorithm.
Add this line to your application's Gemfile:
gem 'repetition'
And then execute:
$ bundle
Or install it yourself as:
$ gem install repetition
# Default values are provided
repetition = Repetition::Flashcard.new(easiness_factor: 2.5, interval: 0, repetitions: 0)
# Quality of recall: 0..5
# Returns: date of the next recall => <Date: 2018-08-09>
repetition.recall(4)
After checking out the repo, run bin/setup
to install dependencies. Then, run rake test
to run the tests. You can also run bin/console
for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install
. To release a new version, update the version number in version.rb
, and then run bundle exec rake release
, which will create a git tag for the version, push git commits and tags, and push the .gem
file to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/dankimio/repetition.
The gem is available as open source under the terms of the MIT License.