<s>
Anki	B-Application
(	O
/ˈɒŋkiː/	O
;	O
Japanese	O
:	O
 [ aŋki ] 	O
)	O
is	O
a	O
free	O
and	O
open-source	O
flashcard	O
program	O
using	O
spaced	O
repetition	O
,	O
a	O
technique	O
from	O
cognitive	O
science	O
for	O
memorization	O
.	O
</s>
<s>
The	O
SM-2	O
algorithm	O
,	O
created	O
for	O
SuperMemo	B-Application
in	O
the	O
late	O
1980s	O
,	O
forms	O
the	O
basis	O
of	O
the	O
spaced	O
repetition	O
methods	O
employed	O
in	O
the	O
program	O
.	O
</s>
<s>
Anki	B-Application
's	O
implementation	O
of	O
the	O
algorithm	O
has	O
been	O
modified	O
to	O
allow	O
priorities	O
on	O
cards	O
and	O
to	O
show	O
flashcards	O
in	O
order	O
of	O
their	O
urgency	O
.	O
</s>
<s>
The	O
cards	O
are	O
presented	O
using	O
HTML	B-Language
and	O
may	O
include	O
text	O
,	O
images	O
,	O
sounds	O
,	O
videos	O
,	O
and	O
LaTeX	B-Application
equations	O
.	O
</s>
<s>
The	O
decks	O
of	O
cards	O
,	O
along	O
with	O
the	O
user	O
's	O
statistics	O
,	O
are	O
stored	O
in	O
the	O
open	O
SQLite	B-Language
format	O
.	O
</s>
