View... and then run on-line...
Maybe you want to hack your first "Hello, world!" program and run it on-line right NOW:To see how easy Concurrent computing is, paste this specimen:
PAR(
print("Enjoy "),
print("Rosetta "),
print("Code ")
)
See also: Have you ever wanted to test drive Algol68?... are ANY of the rumours true?
The Algol68 code specimen samples:
9
A
- A+B
- ABC Problem
- Accumulator factory
- Ackermann function
- Address of a variable
- AKS test for primes
- Algol 68
- Align columns
- Almost prime
- Amb
- Apply a callback to an array
- Arbitrary-precision integers (included)
- Arithmetic evaluation
- Arithmetic-geometric mean
- Arithmetic/Complex
- Arithmetic/Integer
- Arithmetic/Rational
- Array concatenation
- Arrays
- Assertions
- Associative array/Creation
- Averages/Arithmetic mean
- Averages/Median
- Averages/Pythagorean means
- Averages/Root mean square
- Averages/Simple moving average
B
- Balanced brackets
- Binary digits
- Binary search
- Binary strings
- Birthday problem
- Bitmap
- Bitmap/Bresenham's line algorithm
- Bitmap/Bézier curves/Cubic
- Bitmap/Midpoint circle algorithm
- Bitwise IO
- Bitwise operations
- Boolean values
- Box the compass
- Bulls and cows
C
- Caesar cipher
- Calendar
- Calendar - for "REAL" programmers
- Call a foreign-language function
- Call a function
- Case-sensitivity of identifiers
- Character codes
- Cholesky decomposition
- Classes
- Closures/Value capture
- Combinations
- Combinations and permutations
- Comma quibbling
- Command-line arguments
- Comments
- Compare a list of strings
- Compound data type
- Concurrent computing
- Conditional structures
- Constrained random points on a circle
- Conway's Game of Life
- Copy a string
- Count in factors
- Count in octal
- Count occurrences of a substring
- Count the coins
- CRC-32
- Create a file
- Create a two-dimensional array at runtime
- CSV data manipulation
- CSV to HTML translation
- Currying
D
- Date format
- Day of the week
- Define a primitive data type
- Delegates
- Delete a file
- Detect division by zero
- Determine if a string is numeric
- Digital root/Multiplicative digital root
- Dijkstra's algorithm
- Dot product
- Doubly-linked list/Definition
- Doubly-linked list/Element definition
- Doubly-linked list/Element insertion
- Doubly-linked list/Traversal
- Dragon curve
E
- Element-wise operations
- Empty program
- Empty string
- Enforced immutability
- Entropy
- Enumerations
- Environment variables
- Equilibrium index
- Ethiopian multiplication
- Euler method
- Euler's sum of powers conjecture
- Evaluate binomial coefficients
- Even or odd
- Evolutionary algorithm
- Exceptions
- Exceptions/Catch an exception thrown in a nested call
- Execute a system command
- Execute Brain****
- Exponentiation operator
- Extract file extension
F
- Factorial
- Factors of a Mersenne number
- Factors of an integer
- Fast Fourier transform
- Fibonacci sequence
- Fibonacci word
- File input/output
- File modification time
- File size
- Filter
- Find common directory path
- Find first and last set bit of a long integer
- Find limit of recursion
- First-class functions
- First-class functions/Use numbers analogously
- Five weekends
- FizzBuzz
- Flatten a list
- Flow-control structures
- Floyd's triangle
- Forest fire
- Fork
- Formatted numeric output
- Forward difference
- Function composition
- Function definition
- Function prototype
G
- Gamma function
- Gaussian elimination
- Generalised floating point addition
- Generalised floating point multiplication
- Generate lower case ASCII alphabet
- Generator/Exponential
- Generic swap
- Gray code
- Greatest common divisor
- Greatest element of a list
- Greatest subsequential sum
- Guess the number
- Guess the number/With feedback
H
- Hailstone sequence
- Hamming numbers
- Happy numbers
- Harshad or Niven series
- Haversine formula
- Hello world/Graphical
- Hello world/Line printer
- Hello world/Newbie
- Hello world/Standard error
- Hello world/Text
- Here document
- Higher-order functions
- Hofstadter Q sequence
- Hofstadter-Conway $10,000 sequence
- Holidays related to Easter
- Horizontal sundial calculations
- Horner's rule for polynomial evaluation
- Host introspection
- Hostname
- HTTP
I
- Identity matrix
- Implicit type conversion
- Include a file
- Increment a numerical string
- Infinity
- Input loop
- Integer comparison
- Integer sequence
- Introspection
J
K
L
- Leap year
- Least common multiple
- Letter frequency
- Linear congruential generator
- List comprehensions
- Literals/Integer
- Literals/String
- Logical operations
- Long multiplication
- Longest common subsequence
- Longest string challenge
- Look-and-say sequence
- Loop over multiple arrays simultaneously
- Loops/Break
- Loops/Continue
- Loops/Do-while
- Loops/Downward for
- Loops/For
- Loops/For with a specified step
- Loops/Foreach
- Loops/Infinite
- Loops/N plus one half
- Loops/Nested
- Loops/While
- Lucas-Lehmer test
- Luhn test of credit card numbers
M
- Mad Libs
- Man or boy test
- Mandelbrot set
- Matrix multiplication
- Matrix transposition
- Matrix-exponentiation operator
- Maximum triangle path sum
- MD5
- Memory allocation
- Memory layout of a data structure
- Menu
- Metaprogramming
- Metered concurrency
- Middle three digits
- Miller-Rabin primality test
- Modular exponentiation
- Modular inverse
- Monte Carlo methods
- Monty Hall problem
- Move-to-front algorithm
- Multi-dimensional array
- Multiple distinct objects
- Multiplication tables
- Multiplicative order
- Mutual recursion
N
- N'th
- N-queens problem
- Named parameters
- Narcissist
- Native shebang
- Non-continuous subsequences
- Non-decimal radices/Convert
- Non-decimal radices/Input
- Non-decimal radices/Output
- Nth root
- Null object
- Number names
- Numerical integration
O
- Object serialization
- Odd word problem
- Old lady swallowed a fly
- One-dimensional cellular automata
- Operator precedence
P
- Palindrome detection
- Pangram checker
- Parsing/RPN calculator algorithm
- Parsing/RPN to infix conversion
- Partial function application
- Pascal's triangle
- Pascal's triangle/Puzzle
- Perfect numbers
- Permutations
- Permutations with repetitions
- Phrase reversals
- Pi
- Pick random element
- Playing cards
- Plot coordinate pairs
- Pointers and references
- Polynomial regression
- Power set
- Pragmatic directives
- Price fraction
- Primality by trial division
- Prime decomposition
- Probabilistic choice
- Program name
- Program termination
Q
R
- Random number generator (included)
- Random numbers
- Range expansion
- Range extraction
- Read a file line by line
- Read a specific line from a file
- Read entire file
- Real constants and functions
- Reduced row echelon form
- Regular expressions
- Rename a file
- Rep-string
- Repeat
- Repeat a string
- Return multiple values
- Reverse a string
- Rock-paper-scissors
- Roman numerals/Decode
- Roman numerals/Encode
- Roots of a function
- Roots of a quadratic function
- Roots of unity
- Rosetta Code/Rank languages by popularity
- Rot-13
- RSA code
- Run-length encoding
- Runge-Kutta method
- Runtime evaluation
- Runtime evaluation/In an environment
S
- Search a list
- SEDOLs
- Self-describing numbers
- Sequence of non-squares
- Seven-sided dice from five-sided dice
- Shell one-liner
- Short-circuit evaluation
- Sierpinski carpet
- Sierpinski triangle
- Sieve of Eratosthenes
- Singly-linked list/Element definition
- Singly-linked list/Element insertion
- Singly-linked list/Traversal
- Sleep
- Sort an array of composite structures
- Sort an integer array
- Sorting algorithms/Bogosort
- Sorting algorithms/Bubble sort
- Sorting algorithms/Cocktail sort
- Sorting algorithms/Counting sort
- Sorting algorithms/Gnome sort
- Sorting algorithms/Heapsort
- Sorting algorithms/Insertion sort
- Sorting algorithms/Merge sort
- Sorting algorithms/Quicksort
- Sorting algorithms/Radix sort
- Sorting algorithms/Selection sort
- Sorting algorithms/Shell sort
- Soundex
- Special characters
- Special variables
- Spiral matrix
- Stack
- Stair-climbing puzzle
- Standard deviation
- Straddling checkerboard
- String append
- String case
- String concatenation
- String interpolation (included)
- String length
- String matching
- String prepend
- Strip a set of characters from a string
- Strip comments from a string
- Strip whitespace from a string/Top and tail
- Substring
- Substring/Top and tail
- Sudoku
- Sum and product of an array
- Sum digits of an integer
- Sum of a series
- Sum of squares
- Synchronous concurrency
- System time
T
- Table creation/Postal addresses
- Temperature conversion
- Ternary logic
- Text processing/1
- Text processing/Max licenses in use
- Thiele's interpolation formula
- Tokenize a string
- Towers of Hanoi
- Tree traversal
- Trigonometric functions
- Truncatable primes
U
- Undefined values
- Unicode strings
- Unicode variable names
- User defined pipe and redirection operators
- User input/Text
V
W
- Walk a directory/Non-recursively
- Walk a directory/Recursively
- Web scraping
- Window creation
- Window creation/X11
- Wireworld
- Write float arrays to a text file
