Category:Action!
Action!
This programming language may be used to instruct a computer to perform a task.
Listed below are all of the tasks on Rosetta Code which have been solved using Action!.
This programming language may be used to instruct a computer to perform a task.
Lang tag(s):  action! 


Action! is a language written by Clinton Parker and published by Optimized Sytems Software (OSS) for the Atari 8bit line of home computers. It is related to ALGOL and optimized for singlepass compilation to 6502 code.
See Also[edit]
Pages in category "Action!"
The following 200 pages are in this category, out of 531 total.
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I
 Identity matrix
 Idiomatically determine all the lowercase and uppercase letters
 Idoneal numbers
 Image convolution
 Image noise
 Include a file
 Inconsummate numbers in base 10
 Increment a numerical string
 Input loop
 Input/Output for lines of text
 Input/Output for pairs of numbers
 Integer comparison
 Integer sequence
 ISBN13 check digit
K
L
 Langton's ant
 Last Friday of each month
 Law of cosines  triples
 Leap year
 Least common multiple
 Length of an arc between two angles
 Leonardo numbers
 Letter frequency
 Levenshtein distance
 Logical operations
 Long year
 Longest common prefix
 Longest common substring
 Longest common suffix
 Longest palindromic substrings
 Longest substrings without repeating characters
 Lookandsay sequence
 Loop over multiple arrays simultaneously
 Loops/Break
 Loops/Dowhile
 Loops/For
 Loops/For with a specified step
 Loops/Foreach
 Loops/Infinite
 Loops/N plus one half
 Loops/Nested
 Loops/While
 Ludic numbers
 Luhn test of credit card numbers
M
 Machine code
 Magic 8ball
 Map range
 Mastermind
 Matrix multiplication
 Matrix transposition
 Maximum difference between adjacent elements of list
 Maximum triangle path sum
 Maze generation
 Maze solving
 McNuggets problem
 Median filter
 Memory allocation
 Menu
 Mertens function
 Middle three digits
 Modular inverse
 Monte Carlo methods
 Morse code
 Movetofront algorithm
 Multifactorial
 Multiple distinct objects
 Multiplication tables
 Munchausen numbers
 Munching squares
 Musical scale
N
 N'th
 Negative base numbers
 Next special primes
 Nice primes
 Nim game
 Nondecimal radices/Convert
 Nondecimal radices/Output
 Nonoblock
 Nth root
 Null object
 Number reversal game
 Numbers divisible by their individual digits, but not by the product of their digits.
 Numbers in base 10 that are palindromic in bases 2, 4, and 16
 Numbers in base16 representation that cannot be written with decimal digits
 Numbers which binary and ternary digit sum are prime
 Numbers whose count of divisors is prime
 Numbers with prime digits whose sum is 13
O
P
 Palindrome dates
 Palindrome detection
 Palindromic primes
 Palindromic primes in base 16
 Pangram checker
 Parsing/RPN calculator algorithm
 Pascal matrix generation
 Pascal's triangle
 Password generator
 Peano curve
 Pentagram
 Perfect numbers
 Perfect shuffle
 Peripheral drift illusion
 Permutations
 Phrase reversals
 Pick random element
 Pinstripe/Display
 Piprimes
 Playing cards
 Plot coordinate pairs
 Polyspiral
 Positive decimal integers with the digit 1 occurring exactly twice
 Price fraction
 Primality by trial division
 Primality by Wilson's theorem
 Prime triplets
 Prime words
 Primes which contain only one odd digit
 Primes whose first and last number is 3
 Primes whose sum of digits is 25
 Primes with digits in nondecreasing order
 Priority queue
 Product of divisors
 Program termination
 Proper divisors
 Pythagorean triples
R
 Random Latin squares
 Range consolidation
 Range expansion
 Range extraction
 Range modifications
 Rate counter
 Read a file character by character/UTF8
 Read a file line by line
 Read a specific line from a file
 Read entire file
 Real constants and functions
 Remove duplicate elements
 Remove vowels from a string
 Rename a file
 Repstring
 Repeat
 Repeat a string
 Return multiple values
 Reverse a string
 Reverse the gender of a string
 Reverse the order of lines in a text file while preserving the contents of each line
 Reverse words in a string
 Riordan numbers
 Roman numerals/Decode
 Roman numerals/Encode
 RPG attributes generator
 Runlength encoding
 RungeKutta method
S
 Sattolo cycle
 Search a list
 Search a list of records
 SEDOLs
 Semiprime
 Sequence of primes by trial division
 Sequence: smallest number greater than previous term with exactly n divisors
 Sequence: smallest number with exactly n divisors
 Set
 Shift list elements to left by 3
 Shoelace formula for polygonal area
 Shortcircuit evaluation
 Show ASCII table
 Sierpinski carpet
 Sierpinski curve
 Sierpinski pentagon
 Sierpinski triangle
 Sierpinski triangle/Graphical
 Sieve of Eratosthenes
 Simple turtle graphics
 Singlylinked list/Element definition