Rosetta Code: Popular Programming Languages

Generated: 2021-10-24T13:00:03

#CountName
11438Phix
21433Go
31420Julia
41405Raku
=1405Wren
61395Nim
71351Perl
81303Python
91160C
101145REXX
111131Kotlin
121123Java
131082Racket
141072Mathematica
151070C++
161056Ruby
171052J
181043Haskell
191012Zkl
20978D
21976Tcl
22944Sidef
23930Factor
24916Scala
25899C sharp
26852FreeBASIC
27848Ada
28841Rust
29839PicoLisp
30816Lua
31776Ring
3277111l
33751JavaScript
34746F Sharp
35740Common Lisp
36736ALGOL 68
37735AutoHotkey
38723Jq
39655Delphi
40637Clojure
41636AWK
42627PureBasic
43597OCaml
44596Fortran
=596Unicon
46569Swift
47567BBC BASIC
48554Forth
49552R
50551PARI/GP
51549Pascal
52537Icon
53530Elixir
54511Erlang
55505Groovy
56498PowerShell
57473Seed7
58454PHP
59445Arturo
60433Prolog
61432XPL0
62425PL/I
63414AppleScript
64409Maple
65405VBA
66400Quackery
67396Visual Basic .NET
68385MATLAB
69373Scheme
70372M2000 Interpreter
71352BASIC
72348Liberty BASIC
73328Octave
74325Smalltalk
75324Objeck
76323UNIX Shell
77320COBOL
78315Run BASIC
79308Oforth
80307Bracmat
81304EchoLisp
82303VBScript
83287NetRexx
84284Standard ML
85281Oz
86272E
87265ALGOL W
88259Lasso
89244Elena
90239APL
=239Yabasic
92237Euphoria
93229Crystal
94221OoRexx
95220CoffeeScript
=220Stata
97218360 Assembly
98215ZX Spectrum Basic
99214Maxima
100211Batch File
102199Nanoquery
103198IS-BASIC
104196Ursala
105194Lingo
106192ARM Assembly
=192Lambdatalk
108188BaCon
109183ERRE
110182Frink
=182Gambas
112171Fōrmulæ
113169Aime
=169Befunge
115165Modula-2
116161GAP
=161Objective-C
118157AArch64 Assembly
=157Eiffel
120156HicEst
121155Applesoft BASIC
=155BASIC256
=155TUSCRIPT
124153Fantom
125151Ol
=151Pike
127150Nemerle
128148Emacs Lisp
129147MiniScript
130146NewLISP
=146REBOL
132141TXR
133140K
134138BCPL
=138Jsish
136130Commodore BASIC
137127LiveCode
138126Slate
139125Dyalect
140123Modula-3
141122SNOBOL4
142121ActionScript
=121TI-83 BASIC
144120Cowgol
145119MAXScript
146117Phixmonti
147116Oberon-2
148115EasyLang
=115Red
=115Visual Basic
151112MUMPS
=112Ursa
153111Min
154110Mercury
=110SenseTalk
156109Vedit macro language
157108Vala
158105Déjà Vu
159104Retro
160103DWScript
161100ACL2
=100Dart
=100Simula
164988086 Assembly
=98AutoIt
=98BQN
=98Processing
16897X86 Assembly
169966502 Assembly
=96Pop11
171958080 Assembly
=95TI-89 BASIC
17394Ceylon
17493Axe
=93Io
17692PostScript
17790FunL
=90Plain English
179898th
=89Bc
=89Tailspin
18286PL/M
=86МК-61/52
18482M4
18579Langur
18678Dc
=78FutureBasic
18877LFE
=77Raven
=77SQL
19176Sinclair ZX81 BASIC
19275Logtalk
19374Sather
19473Component Pascal
19572Excel
=72QB64
19771Locomotive Basic
19870ABAP
=70Neko
20069Ela
=69XLISP
20268Brat
20366Burlesque
=66Scilab
20565LabVIEW
=65OxygenBasic
20764IDL
20863GW-BASIC
20962ColdFusion
=62Free Pascal
=62Wart
21260FALSE
=60SequenceL
21459SAS
21557PowerBASIC
21656FBSL
21755MAD
21853Haxe
=53OpenEdge/Progress
22051FOCAL
=51SPL
22250Metafont
=50Zig
22449Lang5
=49Rascal
22648DCL
=48Microsoft Small Basic
22847Caché ObjectScript
=47Harbour
=47Toka
23146Inform 7
=46Klingphix
2334568000 Assembly
=45Joy
=45Z80 Assembly
23644True BASIC
23743ALGOL 60
=43ATS
=43S-lang
=43Tiny BASIC
=43Wortel
=43XSLT
24342ALGOL-M
=42HolyC
=42LOLCODE
=42NS-HUBASIC
=42Q
=42SQL PL
=42Sparkling
25041Aikido
=41TorqueScript
=41Yorick
25340RapidQ
=40UnixPipes
=40V
25639Apex
=39Brainf***
=39Chapel
=39EDSAC order code
=39Elm
=39Sed
26238Falcon
=38Lisaac
=38Processing Python mode
=38SETL
26637Babel
=37Futhark
26836GML
=36PL/SQL
=36Vim Script
27135AmigaE
=35C Shell
=35Genie
=35Nial
=35SuperCollider
27634RLaB
27733WDTE
27832EGL
=32Gnuplot
=32I
=32Visual FoxPro
28231Fermat
28330Agena
=30GUISS
=30Huginn
=30Order
=30Qi
=30REALbasic
=30Smart BASIC
=30XBasic
=30Zoea
=30Zonnon
29329Assembly
=29CMake
=29Hy
=29MIRC Scripting Language
=29SNUSP
=29Symsyn
=29XBS
30028ECL
=28Golfscript
=28Hexiscript
=28LIL
=28Potion
30527Avail
=27Idris
=27Latitude
=27Limbo
=27PlainTeX
=27Zoea Visual
31126Clean
=26Clipper
=26MLite
=26Relation
=26Salmon
31625LLVM
=25Scratch
=25TypeScript
31924MiniZinc
=24Mirah
=24Robotic
=24SSEM
=24Trith
=24Verilog
=24Vlang
32623Astro
=23Ioke
=23Lobster
=23ML/I
=23PHL
=23ProDOS
33222Beeswax
=22Furor
=22Klong
=22MIPS Assembly
=22ML
=22Suneido
33821Argile
=21Gosu
=21Peloton
=21Pure
=21Shen
=21Wee Basic
34420Chef
=20Dragon
=20Fish
=20Self
34819ChucK
=19DBL
=19Pony
=19Verbexx
=19Whitespace
35318Agda
=18Fancy
=18Make
=18S-BASIC
=18XQuery
358170815
=17Beads
=17Dylan
=17Efene
=17Friendly interactive shell
=17GFA Basic
=17MMIX
=17MOO
=17Transact-SQL
=17Xojo
36816Hoon
=16LSL
=16LaTeX
=16Object Pascal
=16Openscad
=16Spin
=16Transd
=16X86-64 Assembly
37615Arc
=15Gema
=15LSE64
=15Lucid
=15N/t/roff
=15SystemVerilog
=15Unlambda
38314Axiom
=14Dao
=14Ezhil
=14Inform 6
=14Isabelle
=14OOC
=14Picat
=14Pure Data
=14QBasic
=14SmileBASIC
=14VAX Assembly
=14VHDL
39513Computer/zero Assembly
=13Coq
=13Janet
=13KonsolScript
=13Little
=13SPAD
40112AmigaBASIC
=12ArnoldC
=12Brlcad
=12Clay
=12Egel
=12Es
=12Genyris
=12Golo
=12Halon
=12MontiLang
=12Never
=12OASYS Assembler
=12Panda
=12Piet
=12RPG
=12Shale
=12Snobol
=12Vorpal
41911Arendelle
=11CLIPS
=11Coco
=11Comal
=11Curry
=11Frege
=11Gecho
=11GlovePIE
=11Integer BASIC
=11Onyx
=11SPARK
=11Shiny
=11TMG
=11TSE SAL
=11XTalk
43410App Inventor
=10Asymptote
=10Blz
=10EC
=10Elisa
=10LotusScript
=10Mathprog
=10Niue
=10Wrapl
=10Zoomscript
44494DOS Batch
=9Alore
=9AsciiDots
=9Boo
=9Eero
=9Fortress
=9IWBASIC
=9Intercal
=9Lily
=9Luck
=9Monte
=9Morfa
=9MySQL
=9NSIS
=9POV-Ray
=9Ra
=9SIMPOL
=9UTFool
46284D
=86800 Assembly
=88051 Assembly
=8B
=8Clio
=8Dylan.NET
=8Egison
=8Fan
=8GLSL
=8Glee
=8HQ9+
=8LC3 Assembly
=8LSE
=8Lhogho
=8MBS
=8Mathcad
=8NESL
=8NGS
=8Nit
=8PILOT
=8PIR
=8Pointless
=8SASL
=8TIScript
=8Visual Prolog
=8Whenever
=8Yacas
4897AmbientTalk
=7Arbre
=7Blast
=7BootBASIC
=7C++/CLI
=7Cobra
=7Crack
=7FUZE BASIC
=7Fennel
=7JCL
=7Kite
=7MoonScript
=7Nix
=7Purity
=7Quite BASIC
=7Rhope
=7Sage
=7Set lang
=7SkookumScript
=7Squirrel
=7Tbas
=7Visual Objects
=7WebAssembly
=7XEec
=7XProfan
5146ANTLR
=6BlitzMax
=6C1R
=6Cat
=6Comefrom0x10
=6DUP
=6Datalog
=6Dodo0
=6Fexl
=6Gastona
=6Gri
=6Hope
=6JavaFX Script
=6Lisp
=6MANOOL
=6OPL
=6Oxygene
=6PASM
=6PDP-11 Assembly
=6Pixilang
=6Rockstar
=6Tern
=6Terraform
=6Turing
5385Action!
=5Algae
=5Brace
=5Casio BASIC
=5Clipper/XBase++
=5DIBOL-11
=5DMS
=5Deluge
=5ELLA
=5Ferite
=5GEORGE
=5JAMES II/Rule-based Cellular Automata
=5KQL
=5L++
=5Lilypond
=5Malbolge
=5MelonBasic
=5Metapost
=5Nickle
=5Nyquist
=5Occam
=5PSQL
=5Panoramic
=5Pyret
=5Quill
=5RPL/2
=5ScratchScript
=5Script Basic
=5Sisal
=5TPP
=5Thyrd
=5Ultimate++
=5XProc
=5ZPL
572480386 Assembly
=4AMPL
=4AspectJ
=4B4X
=4Basic09
=4Biferno
=4BlooP
=4Bori
=4C3
=4Cind
=4Corescript
=4Cubescript
=4DM
=4Dafny
=4ESQL
=4ElastiC
=4Emojicode
=4F
=4FP
=4Felix
=4Fhidwfe
=4Gentee
=4Go!
=4HLA
=4HPPPL
=4Heron
=4HyperTalk
=4Informix 4GL
=4Iptscrae
=4JScript.NET
=4Jinja
=4JoCaml
=4JudoScript
=4Kabap
=4Keg
=4Ksh
=4LDPL
=4Lush
=4MSX Basic
=4MUF
=4Mythryl
=4Omega
=4PL/pgSQL
=4Perl 6
=4QL SuperBASIC
=4RASEL
=4RPL
=4RTL/2
=4SMEQL
=4SPARC Assembly
=4SheerPower 4GL
=4SimpleCode
=4StreamIt
=4TI-83 Hex Assembly
=4Teco
=4TransFORTH
=4Twelf
=4Uniface
=4Unison
=4VB6
=4Wisp
=4XSLT 2.0
=4ZED
6363.QL
=38 1/2
=3A+
=3ALGOL
=3ANT
=3ASP
=3ASP.Net
=3Acurity Architect
=3Agda2
=3Alice ML
=3Application Master
=3AspectC++
=3Atari BASIC
=3Axum
=3BML
=3Battlestar
=3Beta
=3C0H
=3CB80
=3CHR
=3Caml
=3Cecil
=3Cilk
=3Cilk++
=3ContextFree
=3DataWeave
=3Diesel
=3Elan
=3Euler
=3Explore
=3Extended BrainF***
=3FAUST
=3FPI
=3FeatureC++
=3FreeMat
=3GB BASIC
=3Glagol
=3Global Script
=3Goo
=3Jabaco
=3Kaya
=3KeyList Databasing
=3Kitten
=3L.in.oleum
=3LiveScript
=3Lotus 123 Macro Scripting
=3Lout
=3M680x0
=3MDL
=3ME10 macro
=3MGS
=3MPIF90
=3Maude
=3Mirelle
=3Monicelli
=3Myrddin
=3Mython
=3NQP
=3Nice
=3OASYS
=3OpenC++
=3PLUS
=3PLZ/SYS
=3PPL
=3Pentium Assembly
=3PepsiScript
=3Powerbuilder
=3Processing.R
=3QuakeC
=3RLSL
=3RTSL
=3Refal
=3SPSS
=3Sass/SCSS
=3Script3D
=3Superbase BASIC
=3Swahili
=3TAL
=3TeLa
=3Thistle
=3Tosh
=3UC++
=3UScript
=3UserRPL
=3VRML
=3WML
=3XBase
=3XUL
=3ΜC++
=3உயிர்/Uyir
72621C
=2Bird
=2Cduce
=2DeviousYarn
=2GLBasic
=2Hack
=2JOVIAL
=2JSE
=2Jack
=2Koka
=2Lean
=2Little Man Computer
=2Luna
=2MACRO-11
=2MINIL
=2MathCortex
=2Mosaic
=2MyrtleScript
=2NOWUT
=2OOCalc
=2OpenLisp
=2PeopleCode
=2Perl5i
=2Pict
=2Programming Language
=2Risc-V
=2ScriptBasic
=2Sing
=2TechBASIC
=2ToffeeScript
=2Turbo-Basic XL
=2Viua VM assembly
=2Vox
=2XL
=2XPath 2.0
=2XSLT 1.0
7621Anyways
=1Apricot
=1Aquarius BASIC
=1AutoLISP
=1B4J
=1Batari Basic
=1Binary Lambda Calculus
=1C2
=1CafeOBJ
=1Clarion
=1Coconut
=1DDNC
=1DIV Games Studio
=1FRISC Assembly
=1FormulaOne
=1G-fu
=1Guile
=1Inko
=1Jacquard Loom
=1KL1
=1Kamailio Script
=1Lambda Prolog
=1LibreOffice Basic
=1Lychen
=1MAPPER
=1MEL
=1Mond
=1Monkey
=1NASL
=1NATURAL
=1NLP++
=1Neat
=1NewtonScript
=1Night
=1Odin
=1Opa
=1Pare
=1Plan
=1PowerPC Assembly
=1Qore
=1RATFOR
=1RPGIV
=1Rapira
=1Reason
=1Setl4
=1Soar
=1SoneKing Assembly
=1SuperTalk
=1Supernova
=1Terra
=1TestML
=1TutorialD
=1Wollok
=1Xanadu
=1Ya
Task not implemented in Racket#PhixGoJuliaRakuWrenNimPerlPythonCREXXKotlinJava
15 puzzle game in 3D2 •  •       
16 puzzle game8•••••••  •  
ADFGVX cipher8••••••••    
AVL tree10•••••• •• ••
Abelian sandpile model10•••••••••  •
Abelian sandpile model/Identity8•••••• • •  
Active Directory/Search for a user10••••• •••• •
Add a variable to a class instance at runtime9••••••••  • 
Additive primes11•••••••••• •
Air mass10••••••• •• •
Almkvist-Giullera formula for pi9•••••••• •  
Alternade words11•••••••••• •
Arithmetic coding/As a generalized change of radix10••••••••  ••
Arithmetic evaluation/Phix1•           
Aspect oriented programming10••••• ••• ••
Audio frequency generator6••• •••     
Audio overlap loop4 •• ••      
B-spline2  • •       
Base 16 numbers needing a to f9•••••••• •  
Base64 decode data11••••••••• ••
Bioinformatics/Global alignment8••••••••    
Biorhythms9•••••••• •  
Black Box5••• ••      
Blackjack strategy4••  ••      
Boids7••• ••  •  •
Brace expansion using ranges7•••••• •    
Break OO privacy10••••••••  ••
Burrows–Wheeler transform12••••••••••••
CLI-based maze-game2•    •      
Calkin-Wilf sequence9•••••••• •  
Canny edge detector7•••  • ••  •
Canonicalize CIDR11•••••••••• •
Catmull–Clark subdivision surface7••• •• ••   
Change e letters to i in words10••••••••••  
Changeable words11•••••••••• •
Chaocipher11••••••••• ••
Checksumcolor8••••••••    
Chernick's Carmichael numbers10•••••••••  •
Chess player5••  • ••    
Circular primes12••••••••••••
Cistercian numerals11•••••• •••••
Combinations with repetitions/Square digit chain8•••••••   • 
Common list elements9•••••••• •  
Common sorted list10••••••••••  
Compare sorting algorithms' performance9••• •• •••• 
Compiler/AST interpreter9••• •••••  •
Compiler/Simple file inclusion pre processor4• •••       
Compiler/Verifying syntax8••••••• •   
Compiler/code generator10•••••••••  •
Compiler/syntax analyzer9••• •••••  •
Compiler/virtual machine interpreter9•••••••••   
Concatenate two primes is also prime8•••••••  •  
Conjugate a Latin verb8•••••••  •  
Consecutive primes with ascending or descending differences9•••••••• •  
Continued fraction/Arithmetic/G(matrix ng, continued fraction n1, continued fraction n2)7••••••    • 
Coprime triplets10••••••••••  
Count how many vowels and consonants occur in a string10••••••••••  
Count the coins/0-17•••••••     
Cousin primes10••••••••••  
Create your own text control codes3  •••       
Cubic Special Primes8•••••••  •  
Curve that touches three points7•••••••     
Cyclops numbers8•••••••  •  
Cyclotomic polynomial10••••••••  ••
DELAY.REX1         •  
Data Encryption Standard12••••••••••••
Days between dates12••••••••••••
Deconvolution/2D+9•••••••••   
Discrete Fourier transform7•••••••     
Display an outline as a nested table8••••••••    
Distinct Palindromes within decimal numbers8•••••••  •  
Distinct power numbers10••••••••••  
Distribution of 0 Digits in factorial series9•••••••• •  
Diversity prediction theorem12••••••••••••
Doomsday rule11•••••••••• •
Doubly-linked list/Element removal6••••••      
EKG sequence convergence12••••••••••••
Eban numbers12••••••••••••
Elevator simulation2•   •       
Elliptic Curve Digital Signature Algorithm9•••••••••   
Erdős-primes9•••••••  • •
Esthetic numbers12••••••••••••
Execute CopyPasta Language9••••••••   •
Exponentiation with infix operators in (or operating on) the base9•••••••• •  
External sort9•••••••• •  
Extra primes12••••••••••••
Faces from a mesh8••••••••    
Factorial base numbers indexing permutations of a collection8••••••••    
Fermat numbers12••••••••••••
Fibonacci heap8•••••• •  • 
Fibonacci matrix-exponentiation8•••••••    •
Find Chess960 starting position identifier7•••••••     
Find first missing positive9•••••••• •  
Find minimum number of coins that make a given value9•••••••• •  
Find prime n such that reversed n is also prime9••••••• ••  
Find prime numbers of the form n*n*n+29••••••• ••  
Find words which contains all the vowels9•••••••• •  
First perfect square in base n with n unique digits12••••••••••••
Fixed length records9•••••••• •  
Fortunate numbers9•••••••• •  
Four is the number of letters in the ...12••••••••••••
French Republican calendar8•••••••   • 
Frobenius numbers11•••••••••• •
Gapful numbers12••••••••••••
Generalised floating point multiplication4••• •       
Generate random chess position12••••••••••••
Generate random numbers without repeating a value10•••••••• • •
Geohash8••••••••    
Geometric algebra9•••••• •  ••
Getting the number of decimals11••••• ••••••
Greed9•••• ••  •••
Halt and catch fire10••••••••••  
Harmonic series9•••••••• •  
Hexapawn5••• •  •    
Home primes8•••••••  •  
Horse racing7•••••••     
Hourglass puzzle9•••••••• •  
I'm a software engineer, get me out of here6••••• •     
IRC gateway1 •          
Imaginary base numbers11••••••••• ••
Increasing gaps between consecutive Niven numbers11•••••••••• •
Integer long division6• •••••     
Intersecting number wheels12••••••••••••
Jacobi symbol12••••••••••••
Jaro-Winkler distance9••••••••   •
Joystick position6••••   ••   
Juggler sequence9•••••••• •  
Kolakoski sequence11••••••••• ••
Kronecker product based fractals12••••••••••••
Lah numbers12••••••••••••
Largest five adjacent number8 ••••••••   
Largest number divisible by its digits12••••••••••••
Largest product in a grid5 •••• •     
Largest proper divisor of n10••••••••••  
Last list item7 •••• • ••  
Latin Squares in reduced form10••••••••  ••
Latin Squares in reduced form/Randomizing using Jacobson and Matthews’ Technique6••••••      
Law of cosines - triples12••••••••••••
Legendre prime counting function8•••••••    •
Length of an arc between two angles12••••••••••••
Line circle intersection11••••••• ••••
Logistic curve fitting in epidemiology11••••••••• ••
Long literals, with continuations10•••••••• •• 
Long year12••••••••••••
Longest common suffix12••••••••••••
Longest palindromic substrings9•••••••• •  
Longest substrings without repeating characters9•••••••• •  
Loop Structures1         •  
Loops/With multiple ranges12••••••••••••
Lucky and even lucky numbers12••••••••••••
Magic squares of doubly even order12••••••••••••
Magic squares of singly even order11••••••••• ••
Magnanimous numbers10••••••• •• •
Mastermind10•••••••• •• 
Maximum difference between adjacent elements of list9•••••••• •  
Mayan calendar7•••••••     
Mayan numerals11•••••••••• •
Mayan numerals\$MAYAN.REX1         •  
Merge and aggregate datasets9•••••••• •  
Mersenne primes12••••••••••••
Mertens function11•••••••••• •
Metallic ratios11•••••••• •••
Mian-Chowla sequence12••••••••••••
Mind boggling card trick11••••••••••• 
Mine a bitcoin1•           
Minimal steps down to 19••••••••   •
Minimum number of cells after, before, above and below NxN squares9•••••••• •  
Minimum positive multiple in base 10 using only 0 and 111••••••• ••••
Minkowski question-mark function9•••••••• •  
Modified random distribution9•••••••• •  
Monads/Writer monad9••••••••  • 
Motzkin numbers8•••••••  •  
Multi-base primes8•••••••  •  
Multidimensional Newton-Raphson method7••••••    • 
Multiton4• •••       
Möbius function10••••• • ••••
N-body problem11••••••••• ••
N-smooth numbers12••••••••••••
Neighbour primes8•••••••  •  
Next highest int from digits12••••••••••••
Next special primes10••••••• •• •
Nice primes11••••••• ••••
Nimber arithmetic11•••••••••• •
Non-transitive dice10••••••••  ••
Number triplets game4• • • •     
Numbers divisible by their individual digits, but not by the product of their digits.10••••••••••  
Numbers in base 10 that are palindromic in bases 2, 4, and 1610••••••••••  
Numbers in base-16 representation that cannot be written with decimal digits10••••••••••  
Numbers which binary and ternary digit sum are prime10••••••••••  
Numbers whose count of divisors is prime8•••••••  •  
Numbers with equal rises and falls11•••••••••• •
Numbers with prime digits whose sum is 1311••••••• ••••
Numbers with same digit set in base 10 and base 1610••••••••••  
Numerical and alphabetical suffixes8•••••• • •  
Numerical integration/Adaptive Simpson's method12••••••••••••
OLE automation3••     •    
Odd squarefree semiprimes8•••••••  •  
Odd words10•••••••• • •
OpenGL/Utah Teapot8••••••  • • 
Orbital elements12••••••••••••
Order by pair comparisons11•••••••••• •
Overloaded operators5•  •••   •  
P-Adic numbers, basic6••••••      
P-Adic square roots4• • ••      
P-value correction11••••••••• ••
Padovan n-step number sequences10••••••••••  
Padovan sequence10••••••••••  
Palindrome dates11•••••••••• •
Palindromic gapful numbers11•••••••••• •
Palindromic primes9•••••••• •  
Palindromic primes in base 168•••••••  •  
Pancake numbers12••••••••••••
Pandigital prime7••••• •  •  
Parse EBNF5•• •• •     
Particle fountain5• ••• •     
Partition function P11•••••••••• •
Peaceful chess queen armies11••••••••• ••
Pell's equation12••••••••••••
Peripheral drift illusion6• •••••     
Permutations with some identical elements9•••••••• •  
Permutations/Rank of a permutation12••••••••••••
Permuted multiples9•••••••  • •
Pierpont primes12••••••••••••
Piprimes9••••••• ••  
Pisano period10•••••••• • •
Playfair cipher11•••••••• •••
Positive decimal integers with the digit 1 occurring exactly twice9•••••••• •  
Powerful numbers8•••••••    •
Practical numbers9••••••••   •
Price list behind API8••••••••    
Primality by Wilson's theorem11•••••••••• •
Prime numbers p which sum of prime numbers less or equal to p is prime7••••••   •  
Prime numbers which contain 1239•••••••• •  
Prime triplets8•••••••  •  
Prime words8•••••••  •  
Primes which contain only one odd digit8•••••••  •  
Primes whose first and last number is 38•••••••  •  
Primes whose sum of digits is 2512••••••••••••
Primes with digits in nondecreasing order9•••••••• •  
Print itself9•••••••• •  
Process SMIL directives in XML data6•• ••••     
Product of decimal digits of n2•        •  
Product of divisors12••••••••••••
Pseudo-random numbers/Combined recursive generator MRG32k3a11••••••••• ••
Pseudo-random numbers/PCG3212••••••••••••
Pseudo-random numbers/Splitmix6410••••••••••  
Pseudo-random numbers/Xorshift star12••••••••••••
Pseudorandom number generator image8•••••••    •
Quadrat Special Primes8•••••••  •  
Quoting constructs7••••••   •  
Ramanujan primes8•••••••    •
Ramanujan primes/twins7•••••••     
Ramanujan's constant10•••••••• • •
Random Latin squares12••••••••••••
Random sentence from book7• ••••••    
Range modifications8••••••••    
Rare numbers9••• •• • •••
Raster bars6••••••      
Recaman's sequence12••••••••••••
Recursive descent parser generator5••••  •     
Reflection/Get source10•••••• • •••
Reflection/List methods10••••••••  ••
Reflection/List properties11•••••••• •••
Remote agent/Agent interface4•••     •   
Remote agent/Agent logic5•••   • •   
Remote agent/Simulation5•••   • •   
Remove vowels from a string12••••••••••••
Resistance calculator8••••••••    
Resistance network calculator8••••••••    
Reverse the order of lines in a text file while preserving the contents of each line9•••••••• •  
Robots6••••      ••
Rodrigues’ rotation formula7 •••••• •   
Rosetta Code/List authors of task descriptions4•• • •      
Rosetta Code/Run examples3 • • •      
Rosetta Code/Tasks without examples7•• • ••   ••
Rule301        •   
SHA-256 Merkle tree10•••••••••  •
SOAP9••••• ••• • 
Safe mode6•• •• •  •  
Safe primes and unsafe primes12••••••••••••
Sanitize user input3•  ••       
Self numbers12••••••••••••
Self-hosting compiler7•• ••• •  • 
Semaphore1        •   
Sequence: nth number with exactly n divisors12••••••••••••
Sequence: smallest number greater than previous term with exactly n divisors12••••••••••••
Sequence: smallest number with exactly n divisors12••••••••••••
Sexy primes12••••••••••••
Shift list elements to left by 311•••••••••• •
Show the (decimal) value of a number of 1s appended with a 3, then squared10••••••••••  
Sierpinski arrowhead curve10••••••••••  
Sierpinski curve8•••••••    •
Sierpinski square curve9••••••••   •
Simple turtle graphics5• • • ••    
Sleeping Beauty problem9•••••••• •  
Smallest enclosing circle problem7•••••• •    
Smallest multiple5 •••• •     
Smallest numbers9•••••••• •  
Smallest power of 6 whose decimal expansion contains n10••••••••••  
Smallest square that begins with n10••••••••••  
Smarandache prime-digital sequence11•••••••••• •
Snake9•••• •• • ••
Solve a Rubik's Cube6••• ••    • 
Solving coin problems5••• • •     
Sort an outline at every level8••••••••    
Sort the letters of string in alphabetical order9•••••••• •  
Sorting algorithms/Cocktail sort with shifting bounds12••••••••••••
Special Divisors9••••••• ••  
Special factorials11••••••••••• 
Special neighbor primes8•••••••  •  
Special pythagorean triplet9•••••••• •  
Spelling of ordinal numbers12••••••••••••
Spoof game10••••••• ••• 
Square form factorization9••••••• ••  
Square root by hand10•••••••  •••
Stirling numbers of the first kind12••••••••••••
Stirling numbers of the second kind12••••••••••••
Strange numbers12••••••••••••
Strange plus numbers12••••••••••••
Strange unique prime triplets11•••••••••• •
Strassen's algorithm6••••••      
Strong and weak primes12••••••••••••
Substring primes8•••••••  •  
Successive prime differences12••••••••••••
Suffixation of decimal numbers9•••••••• •  
Sum data type10••••••• •• •
Sum of divisors12••••••••••••
Sum of elements below main diagonal of matrix10••••••••••  
Sum of first n cubes10••••••••••  
Sum of primes in odd positions is prime8•••••••  •  
Sum of the digits of n is substring of n11••••••••••• 
Summarize primes10••••••••••  
Super-d numbers12••••••••••••
Sylvester's sequence9•••••••• •  
Tamagotchi emulator5••• ••      
Tau function11•••••••••• •
Tau number11•••••••••• •
Teacup rim text11•••••••••• •
Terminal control/Restricted width positional input/No wrapping8••••••   •• 
Terminal control/Restricted width positional input/With wrapping8••••••   •• 
Tetris6•••   ••   •
Text completion9•••••••  • •
The Name Game12••••••••••••
Three word location9••••••• • • 
Tree datastructures8••••••••    
Tree from nesting levels8••••••••    
Triplet of three numbers10••••••••••  
Tropical algebra overloading8•••••• • •  
Twin primes11••••••• ••••
Two bullet roulette11••••••••••• 
Two identical strings11•••••••••• •
URL shortener4 •••   •    
Ukkonen’s suffix tree construction4••• •       
Ulam numbers11•••••••••• •
Unicode polynomial equation5••• ••      
Unique characters10••••••••••  
Unique characters in each string9•••••••• •  
Uno (Card Game)2  •    •    
Untouchable numbers8•••••••  •  
Useless instructions6 •••••  •   
Using a speech engine to highlight words7••••••   •  
Using the Meetup.com API3 •     •   •
Verhoeff algorithm9•••••••••   
Video display modes10•••••••• •• 
Vidir3•  ••       
War card game8••••••••    
Waveform analysis/Doh ray me7•••••••     
Waveform analysis/Top and tail5••• ••      
Weather routing5••• ••      
Wieferich primes10••••••• •• •
WiktionaryDumps to words4• •     •  •
Wilson primes of order n9•••••••  • •
Wordiff7• •••• • •  
Words containing "the" substring10••••••••••  
Words from neighbour ones10••••••• •• •
XML validation10 •••••••• ••
XXXX redacted8••••• • ••