Reverse Polish Notation in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 526th Alex-x90 🇺🇸 715 196 560ms 24 Oct 2025 527th emgordon154 714 137 15ms 26 Sep 2024 528th stefangimmillaro 714 256 41ms 3 Jan 2023 529th JGDoerrer 713 262 190ms 29 Jun 2022 530th JayXon 🇺🇸 712 56 40ms 23 Feb 2025 530th pardouin 🇫🇷 712 56 72ms 12 Sep 2025 532nd daniel-pedersen 🇸🇪 712 103 10ms 6 Mar 2022 532nd Heathcorp 🇦🇺 712 103 10ms 27 Apr 2022 532nd FortuiteMan 🇫🇷 712 103 9ms 10 Oct 2024 532nd SiBeepBoop 712 103 9ms 15 Apr 2025 536th Shanethegamer 🇺🇸 712 138 3ms 12 Feb 2022 537th stefangimmillaro 712 192 371ms 10 Oct 2023 538th albanian-laundromat 712 349 483ms 6 Nov 2025 539th kg583 🇺🇸 711 145 5ms 9 Jun 2025 540th JohandeRuiter 🇳🇱 710 164 2ms 11 Feb 2025 541st weeble 709 138 4ms 18 Aug 2024 542nd Natanaelel 🇸🇪 708 45 65ms 26 Sep 2023 543rd albanian-laundromat 706 103 2,085ms 25 Oct 2025 544th prplz 🇦🇺 706 165 2ms 14 Feb 2022 544th Szum123321 🇵🇱 706 165 2ms 29 Nov 2023 546th CaedenHarper 🇨🇦 706 259 269ms 27 days ago 547th janbehrens 🇩🇪 705 104 10ms 14 Apr 2023 547th m-tkach 🇺🇦 705 104 10ms 3 Jan 2025 547th dokutan 705 104 10ms 15 Jun 2025 550th edsrzf 🇳🇿 705 184 1,349ms 29 Apr 2025 551st AlephSquirrel 704 37 4ms 3 Aug 2023 552nd GrayJoKing 🇦🇺 702 60 1,302ms 8 May 2022 553rd Alex-x90 🇺🇸 702 166 2ms 8 Feb 2023 554th stefangimmillaro 700 57 37ms 18 Feb 2022 554th tatzyr 🇯🇵 700 57 42ms 26 Feb 2025 556th JunkIce 699 95 413ms 3 Dec 2024 557th Mandrzejy 🇵🇱 698 167 1ms 3 Nov 2024 558th stefangimmillaro 698 193 4,617ms 12 Nov 2024 559th stefangimmillaro 698 262 264ms 5 May 2025 559th edsrzf 🇳🇿 698 262 271ms 10 Jun 2025 561st Sp3000 🇦🇺 693 41 4ms 19 Jan 2024 561st MeWhenI 🇻🇦 693 41 5ms 2 Mar 2025 563rd ian-h-chamberlain 🇺🇸 692 270 208ms 13 Nov 2025 564th lifthrasiir 🇰🇷 691 50 3ms 28 Nov 2024 565th KatieLG 🇬🇧 691 96 430ms 28 Oct 2024 566th KingSkyrock 🇺🇸 691 106 10ms 17 Mar 2022 567th CaedenHarper 🇨🇦 690 231 448ms 5 Oct 2025 568th emgordon154 689 118 1,078ms 3 Dec 2024 569th Shanethegamer 🇺🇸 688 58 36ms 13 Feb 2022 569th SirBogman 🇺🇸 688 58 40ms 10 Jan 2024 571st Ripick 688 186 352ms 24 Jun 2025 572nd edsrzf 🇳🇿 686 38 4ms 14 Oct 2025 573rd MathisBullinger 685 107 10ms 11 May 2022 573rd CaedenHarper 🇨🇦 685 107 10ms 23 Aug 2025 575th iakolzin 684 205 88ms 1 Jul 2022 576th nwellnhof 🇩🇪 683 110 475ms 24 May 2022 576th AlephSquirrel 683 110 264ms 29 May 2023 576th 5cw 🇺🇸 683 110 259ms 9 May 2024 576th Seek64 🇩🇪 683 110 387ms 13 Sep 2024 580th CatsAreFluffy 681 206 89ms 24 Feb 2023 581st revlayle 🇺🇸 680 201 325ms 9 Dec 2022 582nd janbehrens 🇩🇪 678 199 491ms 26 Mar 2022 583rd roavin 677 202 335ms 30 Jun 2022 584th shinh 676 59 39ms 21 Jun 2022 584th lacrosse 676 59 54ms 4 days ago 586th 386asm 🇺🇸 675 222 43ms 5 May 2023 587th edsrzf 🇳🇿 673 124 5ms 6 Oct 2025 588th Mikey-Beep 🇬🇧 673 203 369ms 2 Sep 2024 588th tomh1012 673 203 375ms 5 Sep 2025 590th randolchance 672 109 10ms 4 Jan 2024 591st MeWhenI 🇻🇦 671 112 209ms 22 May 2024 592nd MeWhenI 🇻🇦 670 146 6ms 13 Aug 2024 593rd prestosilver 🇺🇸 670 174 1ms 18 Nov 2025 594th Natanaelel 🇸🇪 668 86 34ms 29 Jan 2024 595th janbehrens 🇩🇪 667 6 46ms 25 Nov 2022 596th alemelis 666 101 978ms 26 Aug 2024 597th Shanethegamer 🇺🇸 665 61 5ms 13 Feb 2022 598th xnor-gate 665 113 35ms 14 Feb 2022 599th Garklein 🇨🇦 664 52 3ms 13 Feb 2022 599th Natanaelel 🇸🇪 664 52 2ms 14 Jul 2023 First Prev 526–600 of 1,152 Next 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