Tasks not implemented in Arturo
Awareness
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If Arturo is a language you like, or are interested in, please inform your fellow members of the Arturo community; this page can't be emptied without your and their participation.
Tasks not implemented in Arturo
1
2
4
9
A
- ADFGVX cipher
- AKS test for primes
- ASCII art diagram converter
- AVL tree
- Abbreviations, automatic
- Abbreviations, easy
- Abbreviations, simple
- Abelian sandpile model
- Abelian sandpile model/Identity
- Abstract type
- Accumulator factory
- Achilles numbers
- Active Directory/Connect
- Active Directory/Search for a user
- Active object
- Algebraic data types
- Aliquot sequence classifications
- Almkvist-Giullera formula for pi
- Amb
- Anadromes
- Anagram generator
- Angles (geometric), normalization and conversion
- Animate a pendulum
- Animation
- Append a record to the end of a text file
- Apply a digital filter (direct form II transposed)
- Approximate equality
- Archimedean spiral
- Arena storage pool
- Arithmetic derivative
- Arithmetic evaluation
- Arithmetic-geometric mean/Calculate Pi
- Atomic updates
- Average loop length
- Averages/Mean angle
- Averages/Mean time of day
- Averages/Simple moving average
B
- Babylonian spiral
- Balanced ternary
- Barnsley fern
- Bernoulli numbers
- Bernstein basis polynomials
- Bifid cipher
- Bin given limits
- Bioinformatics/Global alignment
- Biorhythms
- Bitcoin/address validation
- Bitcoin/public point to address
- Bitmap
- Bitmap/Bresenham's line algorithm
- Bitmap/Bézier curves/Cubic
- Bitmap/Bézier curves/Quadratic
- Bitmap/Flood fill
- Bitmap/Histogram
- Bitmap/Midpoint circle algorithm
- Bitmap/PPM conversion through a pipe
- Bitmap/Read a PPM file
- Bitmap/Read an image through a pipe
- Bitmap/Write a PPM file
- Bitwise IO
- Blum integer
- Boustrophedon transform
- Box the compass
- Boyer-Moore string search
- Brace expansion
- Break OO privacy
- Brownian tree
- Bulls and cows/Player
- Burrows–Wheeler transform
- Bézier curves/Intersections
C
- Calendar
- Calendar - for "REAL" programmers
- Call an object method
- Canny edge detector
- Canonicalize CIDR
- Catmull–Clark subdivision surface
- Centre and radius of a circle passing through 3 points in a plane
- Chaocipher
- Chaos game
- Chat server
- Check Machin-like formulas
- Check if a polygon overlaps with a rectangle
- Check if two polygons overlap
- Check input device is a terminal
- Check output device is a terminal
- Checkpoint synchronization
- Chernick's Carmichael numbers
- Chinese zodiac
- Church numerals
- Cistercian numerals
- Closest-pair problem
- Color of a screen pixel
- Color quantization
- Color wheel
- Colorful numbers
- Colour bars/Display
- Colour pinstripe/Display
- Colour pinstripe/Printer
- Commatizing numbers
- Compare sorting algorithms' performance
- Compiler/AST interpreter
- Compiler/code generator
- Compiler/lexical analyzer
- Compiler/syntax analyzer
- Compiler/virtual machine interpreter
- Concurrent computing
- Conjugate transpose
- Consecutive primes with ascending or descending differences
- Constrained genericity
- Constrained random points on a circle
- Continued fraction/Arithmetic/Construct from rational number
- Continued fraction/Arithmetic/G(matrix ng, continued fraction n)
- Continued fraction/Arithmetic/G(matrix ng, continued fraction n1, continued fraction n2)
- Convert decimal number to rational
- Conway's Game of Life
- Copy stdin to stdout
- Cramer's rule
- Create an object at a given address
- Currency
- Cut a rectangle
- Cycles of a permutation
- Cyclotomic polynomial
D
- DNS query
- De Bruijn sequences
- De Polignac numbers
- Deal cards for FreeCell
- Death Star
- Deconvolution/1D
- Deconvolution/2D+
- Decorate-sort-undecorate idiom
- Define a primitive data type
- Delegates
- Determine if a string is squeezable
- Determine if only one instance is running
- Determine if two triangles overlap
- Determine sentence type
- Dice game probabilities
- Digital root/Multiplicative digital root
- Dinesman's multiple-dwelling problem
- Dining philosophers
- Discordian date
- Display an outline as a nested table
- Distance and Bearing
- Distributed programming
- Diversity prediction theorem
- Dominoes
- Doomsday rule
- Doubly-linked list/Definition
- Doubly-linked list/Element definition
- Doubly-linked list/Element insertion
- Doubly-linked list/Traversal
- Dragon curve
- Draw a clock
- Draw a pixel
- Draw a rotating cube
- Draw a sphere
- Dutch national flag problem
E
- EKG sequence convergence
- Earliest difference between prime gaps
- Eban numbers
- Echo server
- Eertree
- Element-wise operations
- Elementary cellular automaton
- Elementary cellular automaton/Infinite length
- Elementary cellular automaton/Random number generator
- Elliptic Curve Digital Signature Algorithm
- Elliptic curve arithmetic
- Enforced immutability
- Entropy/Narcissist
- Equal prime and composite sums
- Erdös-Selfridge categorization of primes
- Euclid-Mullin sequence
- Euclidean rhythm
- Euler's constant 0.5772...
- Euler's identity
- Events
- Exceptions
- Exceptions/Catch an exception thrown in a nested call
- Executable library
- Execute Computer/Zero
- Execute SNUSP
- Execute a Markov algorithm
- Exponentiation with infix operators in (or operating on) the base
- Extensible prime generator
- Extreme floating point values
F
- FTP
- Faces from a mesh
- Factorial base numbers indexing permutations of a collection
- Factorize string into Lyndon words
- Fast Fourier transform
- Faulhaber's formula
- Faulhaber's triangle
- Feigenbaum constant calculation
- Fermat pseudoprimes
- Fibonacci word/fractal
- File modification time
- File size distribution
- Find Chess960 starting position identifier
- Find duplicate files
- Find if a point is within a triangle
- Find largest left truncatable prime in a given base
- First class environments
- First perfect square in base n with n unique digits
- First power of 2 that has leading decimal digits of 12
- Fixed length records
- Flipping bits game
- Floyd-Warshall algorithm
- Forest fire
- Fork
- Formal power series
- Four is magic
- Four is the number of letters in the ...
- Fraction reduction
- Fractran
- French Republican calendar
- Function prototype
- Functional coverage tree
G
- GSTrans string conversion
- GUI component interaction
- GUI enabling/disabling of controls
- GUI/Maximum window dimensions
- Galton box animation
- Gauss-Jordan matrix inversion
- Gaussian elimination
- Gaussian primes
- Generate random chess position
- Generator/Exponential
- Go Fish
- Golden ratio/Convergence
- Gotchas
- Graph colouring
- Grayscale image
- Greatest prime dividing the n-th cubefree number
- Greedy algorithm for Egyptian fractions
- Greyscale bars/Display
H
- Handle a signal
- Hickerson series of almost integers
- Hilbert curve
- Hofstadter Figure-Figure sequences
- Hofstadter-Conway $10,000 sequence
- Home primes
- Honeycombs
- Host introspection
- Hough transform
- Huffman coding
- Humble numbers
- Hunt the Wumpus
I
- I'm a software engineer, get me out of here
- Idiomatically determine all the characters that can be used for symbols
- Image convolution
- Image noise
- Imaginary base numbers
- Inconsummate numbers in base 10
- Increasing gaps between consecutive Niven numbers
- Inheritance/Multiple
- Inheritance/Single
- Intersecting number wheels
- Inverted index
- Isograms and heterograms
J
K
- K-d tree
- K-means++ clustering
- Keyboard input/Flush the keyboard buffer
- Keyboard input/Keypress check
- Keyboard input/Obtain a Y or N response
- Keyboard macros
- Klarner-Rado sequence
- Knapsack problem/0-1
- Knapsack problem/Bounded
- Knapsack problem/Continuous
- Knapsack problem/Unbounded
- Knight's tour
- Knuth's algorithm S
- Knuth's power tree
- Koch curve
- Kosaraju
- Kronecker product based fractals
L
- LU decomposition
- Langton's ant
- Last letter-first letter
- Latin Squares in reduced form
- Law of cosines - triples
- Legendre prime counting function
- Linear congruential generator
- List rooted trees
- Long primes
- Longest string challenge
- Lucky and even lucky numbers
- Lychrel numbers
- Lyndon word
M
- MD4
- MD5/Implementation
- Machine code
- Magic squares of doubly even order
- Magic squares of singly even order
- Magnanimous numbers
- Main step of GOST 28147-89
- Man or boy test
- Mastermind
- Matrix chain multiplication
- Matrix digital rain
- Matrix-exponentiation operator
- Mayan calendar
- Maze generation
- Maze solving
- Median filter
- Memory layout of a data structure
- Merge and aggregate datasets
- Metallic ratios
- Metered concurrency
- Miller–Rabin primality test
- Mind boggling card trick
- Minesweeper game
- Minimal steps down to 1
- Minimum multiple of m where digital sum equals m
- Minimum positive multiple in base 10 using only 0 and 1
- Minkowski question-mark function
- Modified random distribution
- Modular arithmetic
- Monads/List monad
- Monads/Maybe monad
- Monads/Writer monad
- Mouse position
- Multi-base primes
- Multi-dimensional array
- Multiple distinct objects
- Multiple regression
- Multiplicative order
- Munching squares
- Musical scale
- Mutex
N
- N-smooth numbers
- Natural sorting
- Nautical bell
- Negative base numbers
- Nested templated data
- Non-continuous subsequences
- Non-transitive dice
- Nonoblock
- Nonogram solver
- Number names
- Numbers k such that the last letter of k is the same as the first letter of k+1
- Numbers which are not the sum of distinct squares
- Numbers with equal rises and falls
- Numeric error propagation
- Numerical and alphabetical suffixes
- Numerical integration
- Numerical integration/Gauss-Legendre Quadrature
O
- OLE automation
- Object serialization
- Odd word problem
- Old Russian measure of length
- Old lady swallowed a fly
- One-time pad
- OpenGL
- OpenWebNet password
- Ordered partitions
- Ormiston triples
P
- P-Adic numbers, basic
- P-Adic square roots
- P-value correction
- Padovan n-step number sequences
- Padovan sequence
- Pairs with common factors
- Palindrome dates
- Palindromic gapful numbers
- Pan base non-primes
- Pancake numbers
- Paraffins
- Parallel brute force
- Parallel calculations
- Parametric polymorphism
- Parse an IP Address
- Parsing/RPN calculator algorithm
- Parsing/RPN to infix conversion
- Parsing/Shunting-yard algorithm
- Partial function application
- Particle fountain
- Partition an integer x into n primes
- Partition function P
- Pascal matrix generation
- Pascal's triangle/Puzzle
- Pathological floating point problems
- Peaceful chess queen armies
- Peano curve
- Pell numbers
- Penney's game
- Pentagram
- Pentomino tiling
- Percentage difference between images
- Percolation/Bond percolation
- Percolation/Mean cluster density
- Percolation/Mean run density
- Percolation/Site percolation
- Periodic table
- Peripheral drift illusion
- Permutation test
- Permutations/Rank of a permutation
- Pierpont primes
- Pig the dice game
- Pig the dice game/Player
- Pinstripe/Display
- Pinstripe/Printer
- Pisano period
- Plasma effect
- Play recorded sounds
- Playfair cipher
- Plot coordinate pairs
- Pointers and references
- Poker hand analyser
- Polymorphic copy
- Polynomial long division
- Polynomial regression
- Polyspiral
- Pragmatic directives
- Prime conspiracy
- Prime numbers whose neighboring pairs are tetraprimes
- Prime triangle
- Primes - allocate descendants to their ancestors
- Program name
- Pseudo-random numbers/Combined recursive generator MRG32k3a
- Pseudo-random numbers/PCG32
- Pseudo-random numbers/Splitmix64
- Pseudo-random numbers/Xorshift star
- Pythagoras tree
- Pythagorean quadruples
Q
R
- RCRPG
- RIPEMD-160
- RSA code
- Radical of an integer
- Ramanujan primes/twins
- Ramanujan's constant
- Ramer-Douglas-Peucker line simplification
- Random number generator (device)
- Random sentence from book
- Range consolidation
- Ranking methods
- Rare numbers
- Ray-casting algorithm
- Read a file character by character/UTF8
- Record sound
- Reduced row echelon form
- Reflection/Get source
- Reflection/List methods
- Reflection/List properties
- Rendezvous
- Resistor mesh
- Respond to an unknown method call
- Retrieve and search chat history
- Rock-paper-scissors
- Roots of a quadratic function
- Rosetta Code/Count examples
- Rosetta Code/Find bare lang tags
- Rosetta Code/Find unimplemented tasks
- Rosetta Code/Fix code tags
- Rosetta Code/Rank languages by number of users
- Rosetta Code/Rank languages by popularity
- Round-robin tournament schedule
- Runge-Kutta method
S
- SHA-256
- SHA-256 Merkle tree
- SOAP
- SQL-based authentication
- Safe addition
- Sailors, coconuts and a monkey problem
- Same fringe
- Scope modifiers
- Scope/Function names and labels
- Search in paragraph's text
- Secure temporary file
- Self numbers
- Send an unknown method call
- Send email
- Sequence: nth number with exactly n divisors
- Set consolidation
- Set of real numbers
- Set puzzle
- Set, the card game
- Seven-sided dice from five-sided dice
- Sexy primes
- Shortest common supersequence
- Sierpinski arrowhead curve
- Sierpinski pentagon
- Sierpinski square curve
- Sierpinski triangle/Graphical
- Sieve of Pritchard
- Simple database
- Simple turtle graphics
- Simple windowed application
- Simulate input/Keyboard
- Simulate input/Mouse
- Singleton
- Singly-linked list/Element definition
- Singly-linked list/Element insertion
- Singly-linked list/Traversal
- Singular value decomposition
- Sisyphus sequence
- Smallest number k such that k+2^m is composite for all m less than k
- Smarandache-Wellin primes
- Snake
- Sokoban
- Solve a Hidato puzzle
- Solve a Holy Knight's tour
- Solve a Hopido puzzle
- Solve a Numbrix puzzle
- Solve the no connection puzzle
- Sorensen–Dice coefficient
- Sort an outline at every level
- Sort using a custom comparator
- Sorting algorithms/Sleep sort
- Sorting algorithms/Strand sort
- Speech synthesis
- Spelling of ordinal numbers
- Spinning rod animation/Text
- Square form factorization
- Stable marriage problem
- Stack traces
- State name puzzle
- Statistics/Basic
- Statistics/Normal distribution
- Steffensen's method
- Stirling numbers of the first kind
- Stirling numbers of the second kind
- Straddling checkerboard
- Strassen's algorithm
- Stream merge
- Strip block comments
- Strong and weak primes
- Subtractive generator
- Sudoku
- Suffixation of decimal numbers
- Sum and product puzzle
- Sum to 100
- Summarize and say sequence
- Super-Poulet numbers
- Super-d numbers
- Superellipse
- Superpermutation minimisation
- Sutherland-Hodgman polygon clipping
- Synchronous concurrency
T
- Tarjan
- Taxicab numbers
- Terminal control/Cursor movement
- Terminal control/Inverse video
- Terminal control/Positional read
- Terminal control/Preserve screen
- Test integerness
- Text processing/1
- Text processing/2
- Text processing/Max licenses in use
- The sieve of Sundaram
- Thiele's interpolation formula
- Tic-tac-toe
- Tonelli-Shanks algorithm
- Topic variable
- Topological sort
- Topswops
- Transliterate English text using the Greek alphabet
- Tree datastructures
- Tree from nesting levels
- Tree traversal
- Tropical algebra overloading
- Truncate a file
- Truth table
- Tupper's self-referential formula
- Twelve statements
- Two bullet roulette
- Two's complement
U
- UPC
- URL parser
- UTF-8 encode and decode
- Ukkonen’s suffix tree construction
- Ulam spiral (for primes)
- Unbias a random generator
- Undulating numbers
- Universal Lambda Machine
- Universal Turing machine
- Untouchable numbers
- Update a configuration file
- Use another language to call a function
- User input/Graphical
V
- Validate International Securities Identification Number
- Vampire number
- Variable declaration reset
- Variable size/Get
- Variable size/Set
- Variable-length quantity
- Variadic fixed-point combinator
- Verhoeff algorithm
- Verify distribution uniformity/Chi-squared test
- Verify distribution uniformity/Naive
- Video display modes
- Vigenère cipher/Cryptanalysis
- Visualize a tree
- Vogel's approximation method
- Voronoi diagram
W
- War card game
- Wasteful, equidigital and frugal numbers
- Web scraping
- Weird numbers
- Wilson primes of order n
- Window creation
- Window creation/X11
- Window management
- Wireworld
- Word ladder
- Word search
- Word wheel
- Wordle comparison
- World Cup group stage
- Write float arrays to a text file
- Write to Windows event log
X
Y
Z
- Zebra puzzle
- Zeckendorf arithmetic
- Zhang-Suen thinning algorithm
- Zsigmondy numbers
- Zumkeller numbers
Draft tasks not implemented in Arturo
1
3
A
- A* search algorithm
- ASCII control characters
- Addition chains
- Addition-chain exponentiation
- Air mass
- Anaprimes
- Apéry's constant
- Arithmetic coding/As a generalized change of radix
- Aspect oriented programming
- Assertions in design by contract
- Audio alarm
- Audio frequency generator
- Audio overlap loop
- Autogram checker
B
- B-spline
- Banker's algorithm
- Base58Check encoding
- Base64 encode data
- Bilinear interpolation
- Binary coded decimal
- Birthday problem
- Black box
- Blackjack strategy
- Boids
- Brace expansion using ranges
C
- CLI-based maze-game
- CORDIC
- Card shuffles
- Carmichael lambda function
- Centroid of a set of N-dimensional points
- Chebyshev coefficients
- Checksumcolor
- Chemical calculator
- Chess player
- Cipolla's algorithm
- Code segment unload
- Color separation
- Combinations with repetitions/Square digit chain
- Compiler/Preprocessor
- Compiler/Simple file inclusion pre processor
- Compiler/Verifying syntax
- Consistent overhead byte stuffing
- Continued fraction convergents
- Convert CSV records to TSV
- Count the coins/0-1
- Countdown
- Create an executable for a program in an interpreted language
- Create an object/Native demonstration
- Create your own text control codes
- Cross compilation
- Curve that touches three points
- Cycle detection
D
- Data Encryption Standard
- Dating agency
- Day of the week of Christmas and New Year
- Decimal floating point number to binary
- Decision tables
- Diophantine linear system solving
- Discrete Fourier transform
- Distinct palindromes within decimal numbers
- Divide a rectangle into a number of unequal triangles
- Doubly-linked list/Element removal
- Draw pixel 2
E
- Eisenstein primes
- Elevator simulation
- Engel expansion
- English cardinal anagrams
- Erdős–Woods numbers
- Even numbers which cannot be expressed as the sum of two twin primes
- Exactly three adjacent 3 in lists
- Execute CopyPasta Language
- Exponential digital sums
- Extended Straddling Checkerboard
- External sort
- Extract file extension
- Extreme primes
F
- Factor-perfect numbers
- Fibonacci heap
- Fibonacci matrix-exponentiation
- Find URI in text
- Finite state machine
- Free polyominoes enumeration
G
- Generalised floating point addition
- Generalised floating point multiplication
- Geohash
- Geometric algebra
- Goodstein Sequence
- Gradient descent
- Greed
H
I
- IPC via named pipe
- IRC gateway
- Implicit type conversion
- Inner classes
- Integer long division
- Interactive help
- Inventory sequence
- Iterators
J
K
L
- L-system
- Lagrange Interpolation
- Latin Squares in reduced form/Randomizing using Jacobson and Matthews' technique
- Launch rocket with countdown and acceleration in stdout
- Least m such that n! + m is prime
- Line circle intersection
- Linux CPU utilization
- Long stairs
- Lucas-Carmichael numbers
M
- Magic numbers
- Make a backup file
- Marching squares
- Markov chain text generator
- Montgomery reduction
- Morpion solitaire
- Most frequent k chars distance
- Multidimensional Newton-Raphson method
- Multiline shebang
- Multiplicatively perfect numbers
- Multiton
N
- N-body problem
- N-queens minimum and knights and bishops
- NYSIIS
- Names to numbers
- Nimber arithmetic
- Number triplets game
- Numerical integration/Adaptive Simpson's method
O
P
- Parse EBNF
- Particle swarm optimization
- Penholodigital squares
- Penrose tiling
- Perceptron
- Permutations with some identical elements
- Polynomial derivative
- Polynomial synthetic division
- Posit numbers/decoding
- Posit numbers/encoding
- Powerful numbers
- Price list behind API
- Prime reciprocal sum
- Print debugging statement
- Print itself
- Process SMIL directives in XML data
- Proof
- Protecting Memory Secrets
- Pseudorandom number generator image
Q
R
- Railway circuit
- Ramanujan primes
- Ramsey's theorem
- Range modifications
- Raster bars
- Readline interface
- Recursive descent parser generator
- Red black tree sort
- Remote agent/Agent interface
- Remote agent/Agent logic
- Remote agent/Simulation
- Resistance calculator
- Resistance network calculator
- Reverse the order of lines in a text file while preserving the contents of each line
- Rice coding
- Robots
- Rodrigues’ rotation formula
- Roots of a cubic polynomial
- Rosetta Code/List authors of task descriptions
- Rosetta Code/Run examples
- Rosetta Code/Tasks without examples
- Run as a daemon or service
S
- SEND + MORE = MONEY
- Safe mode
- Sanitize user input
- Sealed classes and methods
- Segmentation fault protection
- Selection bias in clinical sciences
- Selective file copy
- Self-hosting compiler
- Separate the house number from the street name
- Sierpinski curve
- Simulated annealing
- Simulated optics experiment/Data analysis
- Simulated optics experiment/Simulator
- Sine wave
- Singly-linked list/Element removal
- Singly-linked list/Reversal
- Smallest enclosing circle problem
- Smallest numbers
- Snake and ladder
- Solve a Rubik's cube
- Solve equations with substitution method
- Solve hanging lantern problem
- Solve triangle solitare puzzle
- Solving coin problems
- Sort the letters of string in alphabetical order
- Sorting algorithms/Tree sort on a linked list
- Special pythagorean triplet
- Spoof game
- Starting a web browser
- Statistics/Chi-squared distribution
- Sturmian word
- Subset sum problem
- Substring primes
- Suffix tree
- Sum data type
- Sunflower fractal
- Syntax highlighting using Mediawiki formatting
- Szymański's algorithm
T
- Tamagotchi emulator
- Terminal control/Restricted width positional input/No wrapping
- Terminal control/Restricted width positional input/With wrapping
- Tetris
- Text between
- Text completion
- Text to HTML
- The ISAAC cipher
- Three word location
- Time-based one-time password algorithm
- Topological sort/Extracted top item
- Transportation problem
- Triangular numbers
U
- URL shortener
- Ulam numbers
- Unicode polynomial equation
- Unit testing
- Uno (card game)
- Untrusted environment
- Upside-down numbers
- Use a REST API
- Useless instructions
- User defined pipe and redirection operators
- Using a speech engine to highlight words
V
W
- Walsh matrix
- Wave function collapse
- Waveform analysis/Doh ray me
- Waveform analysis/Top and tail
- Weather routing
- WebGL rotating F
- Welch's t-test
- WiktionaryDumps to words
- Word break problem
- Worthwhile task shaving
X
Tasks omitted from Arturo
End of List
Again, feel free to try your hand at any of the tasks listed on this page.