# Reports:Tasks not implemented in PureBasic

**Awareness**

If

**PureBasic**is a language you like, or are interested in, please inform your fellow members of the PureBasic community; this page can't be emptied without your and their participation.

## Contents

## Not implemented[edit]

These are currently not implemented in PureBasic. Please implement some if you can. If any tasks are not possible or too complex in PureBasic, they should not be on this list. To mark a task as such, add **{{omit from|PureBasic}}**, preserving the capitalization of the language, to that task. It will appear below under the "Not Considered" section.

### A

- AVL tree
- Abbreviations, automatic
- Abbreviations, easy
- Abbreviations, simple
- Abelian sandpile model
- Abstract type
- Accumulator factory
- Active Directory/Connect
- Active Directory/Search for a user
- Aliquot sequence classifications
- Angle difference between two bearings
- Angles (geometric), normalization and conversion
- Anti-primes
- Append a record to the end of a text file
- Apply a digital filter (direct form II transposed)
- Approximate Equality
- Arena storage pool
- Arithmetic-geometric mean/Calculate Pi
- Arithmetic/Rational
- Arithmetic evaluation
- Attractive numbers
- Average loop length
- Averages/Mean angle
- Averages/Mean time of day

### B

### C

- CSV to HTML translation
- CUSIP
- Calculating the value of e
- Calendar
- Calendar - for "REAL" programmers
- Call a function
- Call an object method
- Canny edge detector
- Cantor set
- Carmichael 3 strong pseudoprimes
- Cartesian product of two or more lists
- Casting out nines
- Catamorphism
- Catmull–Clark subdivision surface
- Chaocipher
- Chaos game
- Chat server
- Check Machin-like formulas
- Cholesky decomposition
- Chowla numbers
- Church Numerals
- Circles of given radius through two points
- Colour pinstripe/Printer
- Combinations and permutations
- Commatizing numbers
- Compare sorting algorithms' performance
- Compiler/AST interpreter
- Compiler/code generator
- Compiler/lexical analyzer
- Compiler/syntax analyzer
- Compiler/virtual machine interpreter
- Conjugate transpose
- Constrained genericity
- Continued fraction
- Continued fraction/Arithmetic/Construct from rational number
- Convex hull
- Count the coins
- Cramer's rule
- Create a file on magnetic tape
- Cuban primes
- Currency
- Currying
- Cut a rectangle

### D

- DNS query
- De Bruijn sequences
- Death Star
- Deconvolution/1D
- Deconvolution/2D+
- Define a primitive data type
- Delegates
- Deming's Funnel
- Department Numbers
- Determinant and permanent
- Digital root/Multiplicative digital root
- Dijkstra's algorithm
- Distributed programming
- Draw a rotating cube
- Dutch national flag problem

### E

### F

- FTP
- Factorial base numbers indexing permutations of a collection
- Factors of a Mersenne number
- Fast Fourier transform
- Fibonacci word/fractal
- Find largest left truncatable prime in a given base
- Find palindromic numbers in both binary and ternary bases
- Find the intersection of two lines
- First class environments
- First perfect square in base N with N unique digits
- Fixed length records
- Flipping bits game
- Floyd-Warshall algorithm
- Formal power series
- Four is magic
- Four is the number of letters in the ...
- Fractran
- Function frequency
- Functional coverage tree
- Fusc sequence

### G

### H

### I

### K

### L

- LU decomposition
- Largest int from concatenated ints
- Largest number divisible by its digits
- Last letter-first letter
- Latin Squares in reduced form
- Law of cosines - triples
- Left factorials
- List comprehensions
- Long primes
- Longest Common Substring
- Longest increasing subsequence
- Loops/Increment loop index within loop body
- Loops/Wrong ranges
- Lucky and even lucky numbers
- Ludic numbers
- Lychrel numbers

### M

- MAC Vendor Lookup
- MD4
- MD5/Implementation
- Mad Libs
- Magic squares of singly even order
- Main step of GOST 28147-89
- Make directory path
- Man or boy test
- Mastermind
- Matrix-exponentiation operator
- Matrix Digital Rain
- Matrix chain multiplication
- Maximum triangle path sum
- Mayan numerals
- McNuggets Problem
- Median filter
- Metaprogramming
- Mian-Chowla sequence
- Mind boggling card trick
- Modular exponentiation
- Move-to-front algorithm
- Multi-dimensional array
- Multifactorial
- Multiple regression
- Multiplicative order
- Multisplit

### N

- N'th
- N-smooth numbers
- Naming conventions
- Narcissist
- Narcissistic decimal number
- Natural sorting
- Nautical bell
- Negative base numbers
- Nested function
- Nested templated data
- Nim Game
- Non-continuous subsequences
- Nonoblock
- Nonogram solver
- Numeric error propagation
- Numerical and alphabetical suffixes
- Numerical integration/Gauss-Legendre Quadrature

### O

### P

- P-value correction
- Paraffins
- Parallel Brute Force
- Parametric polymorphism
- Parse an IP Address
- Parsing/RPN calculator algorithm
- Parsing/RPN to infix conversion
- Parsing/Shunting-yard algorithm
- Partial function application
- Partition an integer X into N primes
- Pathological floating point problems
- Pattern matching
- Peaceful chess queen armies
- Peano curve
- Pell's equation
- Penney's game
- Pentagram
- Percolation/Bond percolation
- Percolation/Mean cluster density
- Percolation/Mean run density
- Percolation/Site percolation
- Perfect shuffle
- Perfect totient numbers
- Permutations/Rank of a permutation
- Permutations by swapping
- Pig the dice game
- Pig the dice game/Player
- Pinstripe/Printer
- Plasma effect
- Poker hand analyser
- Polynomial long division
- Polynomial regression
- Polyspiral
- Population count
- Pragmatic directives
- Prime conspiracy
- Primes - allocate descendants to their ancestors
- Primorial numbers
- Pythagorean quadruples

### R

- RIPEMD-160
- RSA code
- Ramer-Douglas-Peucker line simplification
- Range consolidation
- Ranking methods
- Rare numbers
- Read a configuration file
- Recaman's sequence
- Record sound
- Reduced row echelon form
- Reflection/Get source
- Reflection/List methods
- Reflection/List properties
- Rendezvous
- Resistor mesh
- Retrieve and search chat history
- Roots of a quadratic function
- Rosetta Code/Find bare lang tags
- Rosetta Code/Find unimplemented tasks
- Runtime evaluation/In an environment

### S

- S-Expressions
- SQL-based authentication
- Safe addition
- Safe primes and unsafe primes
- Sailors, coconuts and a monkey problem
- Same Fringe
- Scope/Function names and labels
- Search a list of records
- Self-referential sequence
- Semiprime
- Semordnilap
- Send an unknown method call
- Sequence: nth number with exactly n divisors
- Sequence: smallest number greater than previous term with exactly n divisors
- Sequence: smallest number with exactly n divisors
- Sequence of primorial primes
- Set consolidation
- Set of real numbers
- Set puzzle
- Sexy primes
- Shoelace formula for polygonal area
- Shortest common supersequence
- Sierpinski pentagon
- Sierpinski triangle/Graphical
- Simple database
- Smarandache prime-digital sequence
- Sokoban
- Solve a Hidato puzzle
- Solve a Holy Knight's tour
- Solve a Hopido puzzle
- Solve a Numbrix puzzle
- Solve the no connection puzzle
- Sort a list of object identifiers
- Sort using a custom comparator
- Sorting algorithms/Patience sort
- Sparkline in unicode
- Speech synthesis
- Spelling of ordinal numbers
- Spinning rod animation/Text
- Square-free integers
- Square but not cube
- State name puzzle
- Stern-Brocot sequence
- Stream Merge
- Strong and weak primes
- Subleq
- Subtractive generator
- Successive prime differences
- Suffixation of decimal numbers
- Sum and Product Puzzle
- Sum to 100
- Sunflower fractal
- Superellipse
- Superpermutation minimisation

### T

- Tarjan
- Taxicab numbers
- Terminal control/Cursor movement
- Terminal control/Positional read
- Terminal control/Preserve screen
- Terminal control/Unicode output
- Ternary logic
- Test integerness
- Textonyms
- The ISAAC Cipher
- The Name Game
- Thiele's interpolation formula
- Tic-tac-toe
- Tokenize a string with escaping
- Tonelli-Shanks algorithm
- Topic variable
- Topswops
- Total circles area
- Totient function
- Truth table
- Twelve statements

### U

### V

### Draft tasks without implementation[edit]

These tasks are drafts, meaning they largely need more work to turn them into full tasks. Perhaps you can help by trying to implement them in PureBasic (after all, one of the key requirements for a task being non-draft is multiple implementations, preferably in widely different languages) but be aware that this may be difficult because of lack of definition of the task itself.

### 2

### A

### B

### C

- Card shuffles
- Chebyshev coefficients
- Check input device is a terminal
- Check output device is a terminal
- Checksumcolor
- Chemical Calculator
- Chernick's Carmichael numbers
- Cheryl's Birthday
- Chess player
- Chess player/Move generation
- Chess player/Program options and user interface
- Chess player/Search and evaluation
- Cipolla's algorithm
- Code segment unload
- Color wheel
- Combinations with repetitions/Square Digit Chain
- Continued fraction/Arithmetic/G(matrix NG, Contined Fraction N)
- Continued fraction/Arithmetic/G(matrix NG, Contined Fraction N1, Contined Fraction N2)
- Copy stdin to stdout
- Curve that touches three points
- Cycle detection

### D

- Damm algorithm
- Data Encryption Standard
- Days between dates
- Decimal floating point number to binary
- Decision tables
- Determine if a string has all the same characters
- Determine if a string has all unique characters
- Determine if two triangles overlap
- Dice game probabilities
- Display a linear combination
- Display an outline as a nested table
- Diversity prediction theorem
- Draw pixel 2

### E

### F

- Factorions
- Faulhaber's formula
- Faulhaber's triangle
- Feigenbaum constant calculation
- Fermat numbers
- Fibonacci heap
- File extension is in extensions list
- File size distribution
- Find URI in text
- Find duplicate files
- Find first and last set bit of a long integer
- Find the intersection of a line with a plane
- Finite state machine
- Fraction reduction
- Free polyominoes enumeration
- French Republican calendar

### G

### H

### I

### L

### M

- Magic 8-Ball
- Make a backup file
- Markov chain text generator
- Mayan calendar
- Mersenne primes
- Metallic ratios
- Modular arithmetic
- Modulinos
- Monads/List monad
- Monads/Maybe monad
- Monads/Writer monad
- Montgomery reduction
- Morpion solitaire
- Most frequent k chars distance
- Multidimensional Newton-Raphson method
- Multiline shebang
- Musical scale

### N

### O

### P

- Palindromic gapful numbers
- Parse EBNF
- Parse command-line arguments
- Particle Swarm Optimization
- Penrose tiling
- Pentomino tiling
- Perceptron
- Perlin noise
- Permutations with repetitions
- Permutations with some identical elements
- Pierpont primes
- Playfair cipher
- Polynomial synthetic division
- Print debugging statement
- Process SMIL directives in XML data

### R

- Railway circuit
- Ramanujan's constant
- Ramsey's theorem
- Random Latin Squares
- Raster bars
- Read a file character by character/UTF8
- Readline interface
- Recursive descent parser generator
- Reflection/List methods
- Remote agent/Agent interface
- Remote agent/Agent logic
- Remote agent/Simulation
- Repeat
- Resistance Calculator
- Resistance Network Calculator
- Reverse the gender of a string
- Robots
- Rosetta Code/List authors of task descriptions
- Rosetta Code/Rank languages by number of users
- Rosetta Code/Run examples
- Rosetta Code/Tasks sorted by average lines of code
- Rosetta Code/Tasks without examples
- Run as a daemon or service

### S

- Safe mode
- Sattolo cycle
- Selective File Copy
- Self-hosting compiler
- Separate the house number from the street name
- Simulated annealing
- Sine wave
- Singly-linked list/Element removal
- Snake
- Snake And Ladder
- Solve a Rubik's Cube
- Solving coin problems
- Sorting Algorithms/Circle Sort
- Sorting algorithms/Cycle sort
- Sorting algorithms/Tree sort on a linked list
- Spoof game
- Starting a web browser
- Stirling numbers of the first kind
- Stirling numbers of the second kind
- Subset sum problem
- Substitution Cipher
- Suffix tree
- Sum data type
- Super-d numbers

### T

- Table creation
- Tamagotchi emulator
- Teacup rim text
- Terminal control/Restricted width positional input/No wrapping
- Terminal control/Restricted width positional input/With wrapping
- Tetris
- Text between
- Text to HTML
- Time-based One-time Password Algorithm
- Topological sort/Extracted top item
- Transportation problem
- Tree datastructures
- Two Sum
- Type detection

### U

### W

## Requiring Attention[edit]

### Examples[edit]

These tasks have implementations in PureBasic, but somebody, somewhere, decided that the example implementation was faulty or in some other way requiring attention. If you're familiar with the task and language, please consider reviewing/correcting the example and removing the notice.

### Other pages[edit]

These are other pages related to PureBasic which require attention; with your knowledge and assistance, we can improve the quality of the site's content.

### No pages found.

## Not Considered[edit]

These tasks are not generally counted toward "unimplemented", as somebody, somewhere, decided that PureBasic was inappropriate for these tasks, or implementations of them would be unenlightening. Feel free to try your hand at them anyway.

## End of List[edit]

Again, feel free to try your hand at any of the tasks listed on this page.