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diff --git a/doc/gnosis.info b/doc/gnosis.info new file mode 100644 index 0000000..a96d4c1 --- /dev/null +++ b/doc/gnosis.info @@ -0,0 +1,435 @@ +This is gnosis.info, produced by makeinfo version 7.1 from gnosis.texi. + +INFO-DIR-SECTION Emacs misc features +START-INFO-DIR-ENTRY +* Gnosis (γνῶσις): (gnosis). Spaced Repetition System For Note Taking And Self-Testing. +END-INFO-DIR-ENTRY + + +File: gnosis.info, Node: Top, Next: Introduction, Up: (dir) + +Gnosis User Manual +****************** + +Gnosis (γνῶσις), pronounced "noh-sis", _meaning knowledge in Greek_, is +a spaced repetition system implementation for note taking and self +testing. + +This manual is written for Gnosis version 0.1.5, released on 2023-01-29. + + • Official manual: <https://thanosapollo.org/user-manual/gnosis> + • Git repositories: + • main: <https://git.thanosapollo.org/gnosis> + • sourcehut (mirror): <https://git.sr.ht/~thanosapollo/gnosis> + +* Menu: + +* Introduction:: +* Installation:: +* Adding notes:: +* Note Types:: +* Customization & Extension:: + +-- The Detailed Node Listing -- + +Installation + +* Using straight.el: Using straightel. +* Installing manually from source:: + +Note Types + +* Cloze:: +* Basic Type:: +* Double:: +* MCQ (Multiple Choice Question):: +* y-or-n:: + +Customization & Extension + +* Adjust string comparison:: +* Creating Custom Note Types:: +* Customizing Gnosis Algorithm:: + +Customizing Gnosis Algorithm + +* Gnosis Algorithm Initial Interval:: +* Gnosis Algorithm Easiness Factor:: +* Gnosis Algorithm Forgetting Factor:: + + + +File: gnosis.info, Node: Introduction, Next: Installation, Prev: Top, Up: Top + +1 Introduction +************** + +Gnosis is a spaced repetition note taking and self testing system, where +notes are taken in a Question/Answer/Explanation-like format & reviewed +in spaced intervals. + + Gnosis can help you better understand and retain the material by +encouraging active engagement. It also provides a clear structure for +your notes & review sessions, making it easier to study. + + +File: gnosis.info, Node: Installation, Next: Adding notes, Prev: Introduction, Up: Top + +2 Installation +************** + +Gnosis is not currently available in any ELPA, the recommended way to +install gnosis is via straight.el: + + <https://github.com/radian-software/straight.el> + +* Menu: + +* Using straight.el: Using straightel. +* Installing manually from source:: + + +File: gnosis.info, Node: Using straightel, Next: Installing manually from source, Up: Installation + +2.1 Using straight.el +===================== + +If you have not installed straight.el, follow the instructions here: + + <https://github.com/radian-software/straight.el> + + Once you have installed straight.el, you can install gnosis using the +following emacs lisp snippet: + + (straight-use-package + '(gnosis :type git + :host nil + :repo "https://git.thanosapollo.org/gnosis")) + + +File: gnosis.info, Node: Installing manually from source, Prev: Using straightel, Up: Installation + +2.2 Installing manually from source +=================================== + +Gnosis depends on the ‘compat’ & ‘emacsql’ libraries which are available +from MELPA. Install them using ‘M-x package-install RET <package> RET’ +or you may also install them manually from their repository. + + • Clone gnosis repository + + $ git clone https://git.thanosapollo.org/gnosis ~/.emacs.d/site-lisp/gnosis + + • Add this to your emacs configuration + + (add-to-list 'load-path "~/.emacs.d/site-lisp/gnosis") + (load-file "~/.emacs.d/site-lisp/gnosis/gnosis.el") + + +File: gnosis.info, Node: Adding notes, Next: Note Types, Prev: Installation, Up: Top + +3 Adding notes +************** + +Creating notes for gnosis can be done interactively with: ‘M-x +gnosis-add-note’ + + Advanced/Power users may prefer to use ‘gnosis-add-note--TYPE’ + + Example: + + (gnosis-add-note--basic :deck "DECK-NAME" + :question "Your Question" + :answer "Answer" + :hint "hint" + :extra "Explanation" + :image "Image displayed before user-input" ;; Optional + :second-image "Image displayed after user-input" ;; Optional + :tags '("tag1" "tag2")) + + By default, the value of image and second image is nil. Their value +must a string, the path of an image, from inside ‘gnosis-images-dir’. + + Each note type has a ‘gnosis-add-note-TYPE’ that is used +interactively & a "hidden function" ‘gnosis-add-note--TYPE’ that handles +all the logic. + + Every note type has these values in common: + + • ‘extra’ string value, extra information/explanation displayed after + user-input + • ‘image’ Image displayed _before_ user input + • ‘second-image’ Image displayed _after_ user input + + The following sections will cover the important differences you have +to know when creating new notes. + + +File: gnosis.info, Node: Note Types, Next: Customization & Extension, Prev: Adding notes, Up: Top + +4 Note Types +************ + +* Menu: + +* Cloze:: +* Basic Type:: +* Double:: +* MCQ (Multiple Choice Question):: +* y-or-n:: + + +File: gnosis.info, Node: Cloze, Next: Basic Type, Up: Note Types + +4.1 Cloze +========= + +A cloze note type is a format where you create sentences or paragraphs +with "missing" words. Almost all note types can be written as a cloze +type in a way. Ideal type for memorizing definitions. + + To get the most out of gnosis, you have to become familiar with cloze +type notes. + + You can create a cloze note type using ‘M-x gnosis-add-note’ and +selecting ‘Cloze’, the question should be formatted like this: + + {c1:Cyproheptadine} is a(n) {c2:5-HT2} receptor antagonist used to + treat {c2:serotonin syndrome} + + You can also format clozes like Anki if you prefer; e.g +‘{{c1::Cyproheptadine}}’ + + • For each 'cX'-tag there will be created a cloze type note, the + above example creates 2 cloze type notes. + + • Each 'cX' tag can have multiple clozes, but each cloze must be a + *UNIQUE* word (or a unique combination of words) in given note. + + +File: gnosis.info, Node: Basic Type, Next: Double, Prev: Cloze, Up: Note Types + +4.2 Basic Type +============== + +Basic note type is a simple question/answer note, where the user first +sees a "main" part, which is usually a question, and he is prompted to +input the answer. + + +File: gnosis.info, Node: Double, Next: MCQ (Multiple Choice Question), Prev: Basic Type, Up: Note Types + +4.3 Double +========== + +Double note type, is essentially a note that generates 2 basic notes. +The second one reverses question/answer. + + Ideal for vocabulary acquisition, creating vocabulary/translation +notes for a foreign language. + + +File: gnosis.info, Node: MCQ (Multiple Choice Question), Next: y-or-n, Prev: Double, Up: Note Types + +4.4 MCQ (Multiple Choice Question) +================================== + +MCQ note type, consists of a "stem" part that is displayed, and +"options" for the user to select the right one. + + Answer must be the index NUMBER of the correct answer from OPTIONS. + + Ideal for self testing & simulating exams + + +File: gnosis.info, Node: y-or-n, Prev: MCQ (Multiple Choice Question), Up: Note Types + +4.5 y-or-n +========== + +y-or-n (yes or no) note type, user is presented with a question and +prompted to enter character "y" or "n". + + When using the hidden function ‘gnosis-add-note--y-or-n’, note that +the ANSWER must be either 121 (‘y’) or 110 (‘n’), as those correspond to +the character values used to represent them. + + +File: gnosis.info, Node: Customization & Extension, Prev: Note Types, Up: Top + +5 Customization & Extension +*************************** + +To make development and customization easier, gnosis comes with +‘gnosis-dev’ module, that should be used to create a custom database for +testing. + + To use ‘gnosis-dev’, first you have to ‘(require 'gnosis-dev)’ & run +‘M-x gnosis-dev-test’. This will create a new directory 'testing' with +a new database. + + To exit the testing environment, rerun ‘M-x gnosis-dev-test’ and then +enter ‘n’ (no) at the prompt "Start development env?" + +* Menu: + +* Adjust string comparison:: +* Creating Custom Note Types:: +* Customizing Gnosis Algorithm:: + + +File: gnosis.info, Node: Adjust string comparison, Next: Creating Custom Note Types, Up: Customization & Extension + +5.1 Adjust string comparison +============================ + +You may adjust ‘gnosis-string-difference’, this is a threshold value for +string comparison that determines the maximum acceptable Levenshtein +distance between two strings, which identifies their similarity + + Let's illustrate with an example: + (setf gnosis-string-difference 1) + + In this scenario, we set 'gnosis-string-difference' to 1. This +implies that two strings will be recognized as similar if they exhibit a +difference of at most one character edit. + + To demonstrate, 'example' and 'examples' will be recognized as +similar, considering that the latter involves just one additional +character." + + +File: gnosis.info, Node: Creating Custom Note Types, Next: Customizing Gnosis Algorithm, Prev: Adjust string comparison, Up: Customization & Extension + +5.2 Creating Custom Note Types +============================== + +Creating custom note types for gnosis is a fairly simple thing to do + + • First add your NEW-TYPE to ‘gnosis-note-types’ + + (add-to-list 'gnosis-note-types 'new-type) + + • Create 2 functions; ‘gnosis-add-note-TYPE’ & + ‘gnosis-add-note--TYPE’ + + Each note type has a ‘gnosis-add-note-TYPE’ that is used +interactively & a "hidden function" ‘gnosis-add-note--TYPE’ that handles +all the logic. + + Refer to ‘gnosis-add-note-basic’ & ‘gnosis-add-note--basic’ for a +simple example of how this is done. + + • Create ‘gnosis-review-TYPE’ + + This function should handle the review process, displaying it's +contents and updating the database depending on the result of the review +(fail/pass). Refer to ‘gnosis-review-basic’ for an example of how this +should be done. + + • Optionally, you might want to create your own custom + ‘gnosis-display’ functions + + +File: gnosis.info, Node: Customizing Gnosis Algorithm, Prev: Creating Custom Note Types, Up: Customization & Extension + +5.3 Customizing Gnosis Algorithm +================================ + +* Menu: + +* Gnosis Algorithm Initial Interval:: +* Gnosis Algorithm Easiness Factor:: +* Gnosis Algorithm Forgetting Factor:: + + +File: gnosis.info, Node: Gnosis Algorithm Initial Interval, Next: Gnosis Algorithm Easiness Factor, Up: Customizing Gnosis Algorithm + +5.3.1 Gnosis Algorithm Initial Interval +--------------------------------------- + +‘gnosis-algorithm-interval’ is a list of 2 numbers, representing the +first two initial intervals for successful reviews. + + Example: + + (setq gnosis-algorithm-interval '(1 3)) + + Using the above example, after first successfully reviewing a note, +you will see it again tomorrow, if you successfully review said note +again, the next review will be after 3 days. + + +File: gnosis.info, Node: Gnosis Algorithm Easiness Factor, Next: Gnosis Algorithm Forgetting Factor, Prev: Gnosis Algorithm Initial Interval, Up: Customizing Gnosis Algorithm + +5.3.2 Gnosis Algorithm Easiness Factor +-------------------------------------- + +‘gnosis-algorithm-ef’ is a list that consists of 3 items. + + The first item is the increase factor, used to increase the easiness +factor upon successful review. + + Second item refers to the decrease factor, used to decrease the +easiness factor upon an unsuccessful review. + + The third item is the initial total easiness factor, used to +calculate the next interval. + + The basic's of how this is used is that it's being multiplied with +the last interval upon a successful review, e.g if you last reviewed a +note 6 days ago, and the easiness factor of this note is 2.0, your next +interval would be 6 * 2.0 & the total easiness factor would be 2.0 + +increase-factor as well. + + Example: + + (setq gnosis-algorithm-ef '(0.3 0.3 1.3)) + + +File: gnosis.info, Node: Gnosis Algorithm Forgetting Factor, Prev: Gnosis Algorithm Easiness Factor, Up: Customizing Gnosis Algorithm + +5.3.3 Gnosis Algorithm Forgetting Factor +---------------------------------------- + +‘gnosis-algorithm-ff’ is a floating number below 1. + + It's used to calculate the next interval upon an unsuccessful review, +by being multiplied with last interval. + + Example: + + (setq gnosis-algorithm-ff 0.5) + + For a note with a value of last-interval of 6 days and a ff of 0.5, +upon an unsuccessful review the next interval will be 6 * 0.5 + + + +Tag Table: +Node: Top246 +Node: Introduction1397 +Node: Installation1877 +Node: Using straightel2246 +Node: Installing manually from source2758 +Node: Adding notes3447 +Node: Note Types4863 +Node: Cloze5087 +Node: Basic Type6060 +Node: Double6338 +Node: MCQ (Multiple Choice Question)6684 +Node: y-or-n7093 +Node: Customization & Extension7519 +Node: Adjust string comparison8223 +Node: Creating Custom Note Types9019 +Node: Customizing Gnosis Algorithm10154 +Node: Gnosis Algorithm Initial Interval10470 +Node: Gnosis Algorithm Easiness Factor11061 +Node: Gnosis Algorithm Forgetting Factor12065 + +End Tag Table + + +Local Variables: +coding: utf-8 +End: diff --git a/doc/gnosis.org b/doc/gnosis.org index 28b9cf9..29c4188 100644 --- a/doc/gnosis.org +++ b/doc/gnosis.org @@ -4,9 +4,9 @@ #+language: en #+options: ':t toc:nil author:t email:t num:t #+startup: content -#+macro: stable-version 0.1.4 -#+macro: release-date 2023-01-19 -#+macro: development-version 0.1.4-dev +#+macro: stable-version 0.1.5 +#+macro: release-date 2023-01-29 +#+macro: development-version 0.1.6-dev #+macro: file @@texinfo:@file{@@$1@@texinfo:}@@ #+macro: space @@texinfo:@: @@ #+macro: kbd @@texinfo:@kbd{@@$1@@texinfo:}@@ @@ -175,7 +175,7 @@ When using the hidden function =gnosis-add-note--y-or-n=, note that the ANSWER must be either 121 (~y~) or 110 (~n~), as those correspond to the character values used to represent them. -* Customization & Development +* Customization & Extension To make development and customization easier, gnosis comes with =gnosis-dev= module, that should be used to create a custom database for @@ -187,6 +187,24 @@ database. To exit the testing environment, rerun =M-x gnosis-dev-test= and then enter =n= (no) at the prompt "Start development env?" +** Adjust string comparison +You may adjust =gnosis-string-difference=, this is a threshold value +for string comparison that determines the maximum acceptable +Levenshtein distance between two strings, which identifies their +similarity + +Let's illustrate with an example: +#+begin_src emacs-lisp +(setf gnosis-string-difference 1) +#+end_src + +In this scenario, we set `gnosis-string-difference` to 1. This implies +that two strings will be recognized as similar if they exhibit a +difference of at most one character edit. + +To demonstrate, 'example' and 'examples' will be recognized as +similar, considering that the latter involves just one additional +character." ** Creating Custom Note Types Creating custom note types for gnosis is a fairly simple thing to do diff --git a/doc/gnosis.texi b/doc/gnosis.texi new file mode 100644 index 0000000..f2762af --- /dev/null +++ b/doc/gnosis.texi @@ -0,0 +1,423 @@ +\input texinfo @c -*- texinfo -*- +@c %**start of header +@setfilename gnosis.info +@settitle Gnosis User Manual +@documentencoding UTF-8 +@documentlanguage en +@set MAINTAINERSITE @uref{https://thanosapollo.org,maintainer webpage} +@set MAINTAINER Thanos Apollo +@set MAINTAINEREMAIL @email{[email protected]} +@set MAINTAINERCONTACT @uref{mailto:[email protected],contact the maintainer} +@c %**end of header + +@dircategory Emacs misc features +@direntry +* Gnosis (γνῶσις): (gnosis). Spaced Repetition System For Note Taking And Self-Testing. +@end direntry + +@finalout +@titlepage +@title Gnosis User Manual +@author Thanos Apollo (@email{public@@thanosapollo.org}) +@end titlepage + +@ifnottex +@node Top +@top Gnosis User Manual + +Gnosis (γνῶσις), pronounced ``noh-sis'', @emph{meaning knowledge in Greek}, is +a spaced repetition system implementation for note taking and self +testing. + +@noindent +This manual is written for Gnosis version 0.1.5, released on 2023-01-29. + +@itemize +@item +Official manual: @uref{https://thanosapollo.org/user-manual/gnosis} +@item +Git repositories: +@itemize +@item +main: @uref{https://git.thanosapollo.org/gnosis} +@item +sourcehut (mirror): @uref{https://git.sr.ht/~thanosapollo/gnosis} +@end itemize +@end itemize + +@insertcopying +@end ifnottex + +@menu +* Introduction:: +* Installation:: +* Adding notes:: +* Note Types:: +* Customization & Extension:: + +@detailmenu +--- The Detailed Node Listing --- + +Installation + +* Using straight.el: Using straightel. +* Installing manually from source:: + +Note Types + +* Cloze:: +* Basic Type:: +* Double:: +* MCQ (Multiple Choice Question):: +* y-or-n:: + +Customization & Extension + +* Adjust string comparison:: +* Creating Custom Note Types:: +* Customizing Gnosis Algorithm:: + +Customizing Gnosis Algorithm + +* Gnosis Algorithm Initial Interval:: +* Gnosis Algorithm Easiness Factor:: +* Gnosis Algorithm Forgetting Factor:: + +@end detailmenu +@end menu + +@node Introduction +@chapter Introduction + +Gnosis is a spaced repetition note taking and self testing system, +where notes are taken in a Question/Answer/Explanation-like format & +reviewed in spaced intervals. + +Gnosis can help you better understand and retain the material by +encouraging active engagement. It also provides a clear structure for +your notes & review sessions, making it easier to study. + +@node Installation +@chapter Installation + +Gnosis is not currently available in any ELPA, the recommended way to +install gnosis is via straight.el: + +@uref{https://github.com/radian-software/straight.el} + +@menu +* Using straight.el: Using straightel. +* Installing manually from source:: +@end menu + +@node Using straightel +@section Using straight.el + +If you have not installed straight.el, follow the instructions here: + +@uref{https://github.com/radian-software/straight.el} + +Once you have installed straight.el, you can install gnosis using the +following emacs lisp snippet: + +@lisp +(straight-use-package + '(gnosis :type git + :host nil + :repo "https://git.thanosapollo.org/gnosis")) +@end lisp + +@node Installing manually from source +@section Installing manually from source + +Gnosis depends on the @code{compat} & @code{emacsql} libraries which are available +from MELPA@. Install them using @code{M-x package-install RET <package> RET} +or you may also install them manually from their repository. + +@itemize +@item +Clone gnosis repository + +@example +$ git clone https://git.thanosapollo.org/gnosis ~/.emacs.d/site-lisp/gnosis +@end example + +@item +Add this to your emacs configuration + +@lisp +(add-to-list 'load-path "~/.emacs.d/site-lisp/gnosis") +(load-file "~/.emacs.d/site-lisp/gnosis/gnosis.el") +@end lisp +@end itemize + +@node Adding notes +@chapter Adding notes + +Creating notes for gnosis can be done interactively with: + @samp{M-x gnosis-add-note} + + +Advanced/Power users may prefer to use @samp{gnosis-add-note--TYPE} + +Example: + +@lisp +(gnosis-add-note--basic :deck "DECK-NAME" + :question "Your Question" + :answer "Answer" + :hint "hint" + :extra "Explanation" + :image "Image displayed before user-input" ;; Optional + :second-image "Image displayed after user-input" ;; Optional + :tags '("tag1" "tag2")) +@end lisp + +By default, the value of image and second image is nil. Their value +must a string, the path of an image, from inside @code{gnosis-images-dir}. + +Each note type has a @samp{gnosis-add-note-TYPE} that is used +interactively & a ``hidden function'' @samp{gnosis-add-note--TYPE} that handles +all the logic. + +Every note type has these values in common: + +@itemize +@item +@code{extra} string value, extra information/explanation displayed after user-input +@item +@code{image} Image displayed @emph{before} user input +@item +@code{second-image} Image displayed @emph{after} user input +@end itemize + +The following sections will cover the important differences you have +to know when creating new notes. + +@node Note Types +@chapter Note Types + +@menu +* Cloze:: +* Basic Type:: +* Double:: +* MCQ (Multiple Choice Question):: +* y-or-n:: +@end menu + +@node Cloze +@section Cloze + +A cloze note type is a format where you create sentences or paragraphs +with ``missing'' words. Almost all note types can be written as a cloze +type in a way. Ideal type for memorizing definitions. + +To get the most out of gnosis, you have to become familiar with cloze type notes. + +You can create a cloze note type using @samp{M-x gnosis-add-note} and +selecting @code{Cloze}, the question should be formatted like this: + +@quotation +@{c1:Cyproheptadine@} is a(n) @{c2:5-HT2@} receptor antagonist used to treat @{c2:serotonin syndrome@} + +@end quotation + +You can also format clozes like Anki if you prefer; e.g @code{@{@{c1::Cyproheptadine@}@}} + +@itemize +@item +For each `cX`-tag there will be created a cloze type note, the above +example creates 2 cloze type notes. + +@item +Each `cX` tag can have multiple clozes, but each cloze must be a +@strong{UNIQUE} word (or a unique combination of words) in given note. +@end itemize + +@node Basic Type +@section Basic Type + +Basic note type is a simple question/answer note, where the user first +sees a ``main'' part, which is usually a question, and he is prompted to +input the answer. + +@node Double +@section Double + +Double note type, is essentially a note that generates 2 basic notes. +The second one reverses question/answer. + +Ideal for vocabulary acquisition, creating vocabulary/translation +notes for a foreign language. + +@node MCQ (Multiple Choice Question) +@section MCQ (Multiple Choice Question) + +MCQ note type, consists of a ``stem'' part that is displayed, and +``options'' for the user to select the right one. + +Answer must be the index NUMBER of the correct answer from OPTIONS@. + +Ideal for self testing & simulating exams + +@node y-or-n +@section y-or-n + +y-or-n (yes or no) note type, user is presented with a question and +prompted to enter character ``y'' or ``n''. + +When using the hidden function @samp{gnosis-add-note--y-or-n}, note that the +ANSWER must be either 121 (@code{y}) or 110 (@code{n}), as those correspond to the +character values used to represent them. + +@node Customization & Extension +@chapter Customization & Extension + +To make development and customization easier, gnosis comes with +@samp{gnosis-dev} module, that should be used to create a custom database for +testing. + +To use @samp{gnosis-dev}, first you have to @samp{(require 'gnosis-dev)} & run @samp{M-x +gnosis-dev-test}. This will create a new directory 'testing' with a new +database. + +To exit the testing environment, rerun @samp{M-x gnosis-dev-test} and then +enter @samp{n} (no) at the prompt ``Start development env?'' + +@menu +* Adjust string comparison:: +* Creating Custom Note Types:: +* Customizing Gnosis Algorithm:: +@end menu + +@node Adjust string comparison +@section Adjust string comparison + +You may adjust @samp{gnosis-string-difference}, this is a threshold value +for string comparison that determines the maximum acceptable +Levenshtein distance between two strings, which identifies their +similarity + +Let's illustrate with an example: +@lisp +(setf gnosis-string-difference 1) +@end lisp + +In this scenario, we set `gnosis-string-difference` to 1. This implies +that two strings will be recognized as similar if they exhibit a +difference of at most one character edit. + +To demonstrate, 'example' and 'examples' will be recognized as +similar, considering that the latter involves just one additional +character.`` + +@node Creating Custom Note Types +@section Creating Custom Note Types + +Creating custom note types for gnosis is a fairly simple thing to do + +@itemize +@item +First add your NEW-TYPE to @samp{gnosis-note-types} + +@lisp +(add-to-list 'gnosis-note-types 'new-type) +@end lisp + +@item +Create 2 functions; @samp{gnosis-add-note-TYPE} & @samp{gnosis-add-note--TYPE} +@end itemize + +Each note type has a @samp{gnosis-add-note-TYPE} that is used +interactively & a ``hidden function'' @samp{gnosis-add-note--TYPE} that handles +all the logic. + +Refer to @samp{gnosis-add-note-basic} & @samp{gnosis-add-note--basic} for a simple +example of how this is done. + +@itemize +@item +Create @samp{gnosis-review-TYPE} +@end itemize + +This function should handle the review process, displaying it's +contents and updating the database depending on the result of the +review (fail/pass). Refer to @samp{gnosis-review-basic} for an example of how +this should be done. + +@itemize +@item +Optionally, you might want to create your own custom @samp{gnosis-display} functions +@end itemize + +@node Customizing Gnosis Algorithm +@section Customizing Gnosis Algorithm + +@menu +* Gnosis Algorithm Initial Interval:: +* Gnosis Algorithm Easiness Factor:: +* Gnosis Algorithm Forgetting Factor:: +@end menu + +@node Gnosis Algorithm Initial Interval +@subsection Gnosis Algorithm Initial Interval + +@samp{gnosis-algorithm-interval} is a list of 2 numbers, representing the +first two initial intervals for successful reviews. + +Example: + +@lisp +(setq gnosis-algorithm-interval '(1 3)) +@end lisp + +Using the above example, after first successfully reviewing a note, +you will see it again tomorrow, if you successfully review said note +again, the next review will be after 3 days. + +@node Gnosis Algorithm Easiness Factor +@subsection Gnosis Algorithm Easiness Factor + +@samp{gnosis-algorithm-ef} is a list that consists of 3 items. + +The first item is the increase factor, used to increase the easiness +factor upon successful review. + +Second item refers to the decrease factor, used to +decrease the easiness factor upon an unsuccessful review. + +The third item is the initial total easiness factor, used to calculate +the next interval. + +The basic's of how this is used is that it's being multiplied with the +last interval upon a successful review, e.g if you last reviewed a +note 6 days ago, and the easiness factor of this note is 2.0, your +next interval would be 6 * 2.0 & the total easiness factor would be +2.0 + increase-factor as well. + +Example: + +@lisp +(setq gnosis-algorithm-ef '(0.3 0.3 1.3)) +@end lisp + +@node Gnosis Algorithm Forgetting Factor +@subsection Gnosis Algorithm Forgetting Factor + +@samp{gnosis-algorithm-ff} is a floating number below 1. + +It's used to calculate the next interval upon an unsuccessful review, +by being multiplied with last interval. + + + +Example: + +@lisp +(setq gnosis-algorithm-ff 0.5) +@end lisp + +For a note with a value of last-interval of 6 days and a ff of 0.5, +upon an unsuccessful review the next interval will be 6 * 0.5 + +@bye
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