Category:Action!
From Rosetta Code
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.

Your Help Needed
If you know Action!, please write code for some of the tasks not implemented in Action!.
If you know Action!, please write code for some of the tasks not implemented in 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 319 pages are in this category, out of 319 total.
A
 A+B
 ABC problem
 ABC words
 Abundant, deficient and perfect number classifications
 Ackermann function
 Address of a variable
 Align columns
 Almost prime
 Amicable pairs
 Angle difference between two bearings
 Animation
 Antiprimes
 Append a record to the end of a text file
 Archimedean spiral
 Arithmeticgeometric mean
 Arithmetic/Complex
 Arithmetic/Integer
 Arithmetic/Rational
 Array concatenation
 Arrays
 Attractive numbers
 Averages/Arithmetic mean
 Averages/Mode
 Averages/Pythagorean means
 Averages/Root mean square
B
 Balanced brackets
 Barnsley fern
 Base 16 numbers needing a to f
 Base64 decode data
 Base64 encode data
 Best shuffle
 Bilinear interpolation
 Bin given limits
 Binary digits
 Binary search
 Bioinformatics/base count
 Bioinformatics/Subsequence
 Bitmap
 Bitmap/Bresenham's line algorithm
 Bitmap/Bézier curves/Cubic
 Bitmap/Bézier curves/Quadratic
 Bitmap/Flood fill
 Bitmap/Histogram
 Bitmap/Midpoint circle algorithm
 Bitmap/Read a PPM file
 Bitmap/Write a PPM file
 Bitwise operations
 Boolean values
 Box the compass
 Brazilian numbers
 Brownian tree
 Bulls and cows
C
 Caesar cipher
 Calculating the value of e
 Cantor set
 Cartesian product of two or more lists
 Casesensitivity of identifiers
 Casting out nines
 Chaos game
 Character codes
 Check that file exists
 Chinese remainder theorem
 Chinese zodiac
 Circles of given radius through two points
 Cistercian numerals
 Color of a screen pixel
 Colour bars/Display
 Colour pinstripe/Display
 Combinations
 Combinations with repetitions
 Comma quibbling
 Comments
 Common list elements
 Common sorted list
 Compare a list of strings
 Compound data type
 Concatenate two primes is also prime
 Conditional structures
 Constrained random points on a circle
 Continued fraction
 Convex hull
 Coprime triplets
 Coprimes
 Copy a string
 Copy stdin to stdout
 Count how many vowels and consonants occur in a string
 Count in factors
 Count in octal
 Count occurrences of a substring
 Cousin primes
 Create a file
 Create a file on magnetic tape
 Create a twodimensional array at runtime
 Create an HTML table
 Create an object at a given address
 Cubic Special Primes
 Cumulative standard deviation
 Curve that touches three points
 CUSIP
D
 Damm algorithm
 Date format
 Day of the week
 Delete a file
 Department numbers
 Determine if a string has all the same characters
 Determine if a string has all unique characters
 Determine if a string is collapsible
 Determine if a string is numeric
 Determine if a string is squeezable
 Dice game probabilities
 Distinct power numbers
 Dot product
 Doublylinked list/Definition
 Doublylinked list/Element definition
 Doublylinked list/Element insertion
 Doublylinked list/Element removal
 Doublylinked list/Traversal
 Dragon curve
 Draw a cuboid
 Draw a pixel
 Draw a sphere
 Dutch national flag problem
E
F
 Factorial
 Factors of an integer
 FASTA format
 Fibonacci nstep number sequences
 Fibonacci sequence
 File extension is in extensions list
 File input/output
 File size
 File size distribution
 Filter
 Find first missing positive
 Find minimum number of coins that make a given value
 Find prime n such that reversed n is also prime
 Find the intersection of a line with a plane
 Find the intersection of two lines
 Find the last Sunday of each month
 Find the missing permutation
 Find words which contain the most consonants
 Find words which contains all the vowels
 Find words which contains more than 3 e vowels
 Find words whose first and last three letters are equal
 Find words with alternating vowels and consonants
 Five weekends
 FizzBuzz
 Flipping bits game
 Floyd's triangle
 Four bit adder
 Fractal tree
 Frobenius numbers
G
 General FizzBuzz
 Generate Chess960 starting position
 Generate lower case ASCII alphabet
 Generate random chess position
 Generate random numbers without repeating a value
 Generic swap
 Geohash
 Getting the number of decimals
 Gray code
 Grayscale image
 Greatest common divisor
 Greatest element of a list
 Greatest subsequential sum
 Guess the number
 Guess the number/With feedback
 Guess the number/With feedback (player)
H
I
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
 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
 Memory allocation
 Menu
 Mertens function
 Modular inverse
 Monte Carlo methods
 Morse code
 Movetofront algorithm
 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