# Category:ALGOL W

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**ALGOL W**

This

**programming language**may be used to instruct a computer to perform a task.

Parameter passing methods: | By reference, By value |
---|---|

Type safety: | Safe |

Type strength: | Strong |

Type compatibility: | Nominative |

Type expression: | Explicit |

Type checking: | Dynamic, Static |

Lang tag(s): | algolw |

See Also: |

Algol W was designed as a successor to Algol 60, closely based on A Contribution to the Development of ALGOL by Niklaus Wirth and C. A. R. Hoare. It includes dynamically allocated records, string handling, complex numbers and a standard I/O system. A description of the Algol W Language as at 1972 can be found at Algol W Reference Manual 1972 on bitsavers.org page. Dabcanboulet's Algol W @ Everything2 page contains an excellent history and tutorial.

## To do

Tasks not implemented in ALGOL W

## See also

## Subcategories

This category has the following 3 subcategories, out of 3 total.

### @

- ALGOL W examples needing attention (empty)
- ALGOL W Implementations (empty)
- ALGOL W User (empty)

## Pages in category "ALGOL W"

The following 200 pages are in this category, out of 335 total.

(previous page) (next page)### A

- A+B
- ABC problem
- Abundant odd numbers
- Abundant, deficient and perfect number classifications
- Ackermann function
- Additive primes
- Almost prime
- Amicable pairs
- Angles (geometric), normalization and conversion
- Anti-primes
- Apply a callback to an array
- Archimedean spiral
- Arithmetic derivative
- Arithmetic/Complex
- Arithmetic/Integer
- Array concatenation
- Arrays
- Ascending primes
- Assertions
- Assertions in design by contract
- Attractive numbers
- Averages/Arithmetic mean
- Averages/Pythagorean means
- Averages/Root mean square

### B

### C

- Calendar
- Call a function
- Calmo numbers
- Cantor set
- Case-sensitivity of identifiers
- Catalan numbers
- Catalan numbers/Pascal's triangle
- Centroid of a set of N-dimensional points
- Character codes
- Chebyshev coefficients
- Chemical calculator
- Circular primes
- Comma quibbling
- Comments
- Compare a list of strings
- Compiler/AST interpreter
- Compiler/code generator
- Compiler/lexical analyzer
- Compiler/syntax analyzer
- Compiler/Verifying syntax
- Compiler/virtual machine interpreter
- Compound data type
- Concatenate two primes is also prime
- Conditional structures
- Convert seconds to compound duration
- Coprime triplets
- Coprimes
- Copy a string
- Count in factors
- Count in octal
- Cousin primes
- Create a two-dimensional array at runtime
- Cubic special primes
- Cumulative standard deviation
- CUSIP

### D

- Day of the week
- Day of the week of Christmas and New Year
- Days between dates
- De Polignac numbers
- Deceptive numbers
- Department numbers
- Descending primes
- Detect division by zero
- Determine if a string is numeric
- Determine if two triangles overlap
- Digital root
- Digital root/Multiplicative digital root
- Disarium numbers
- Discordian date
- Doomsday rule
- Dot product
- Doubly-linked list/Element definition
- Doubly-linked list/Element insertion
- Doubly-linked list/Element removal
- Doubly-linked list/Traversal
- Draw a sphere

### E

### F

- Factorial
- Factorial primes
- Factors of an integer
- FASTA format
- Fibonacci sequence
- Filter
- Find prime n such that reversed n is also prime
- Find prime numbers of the form n*n*n+2
- Find square difference
- Find squares n where n+1 is prime
- Find the intersection of two lines
- Find the last Sunday of each month
- Find words which contain the most consonants
- First 9 prime Fibonacci number
- FizzBuzz
- Flow-control structures
- Floyd's triangle
- Forward difference
- Four sides of square
- Function definition

### G

### H

### I

### L

- Lah numbers
- Largest proper divisor of n
- Last Friday of each month
- Leap year
- Least common multiple
- Length of an arc between two angles
- Literals/Floating point
- Literals/Integer
- Literals/String
- Logical operations
- Long multiplication
- Long year
- Loop over multiple arrays simultaneously
- Loops/Continue
- Loops/Do-while
- Loops/Downward for
- Loops/For
- Loops/For with a specified step
- Loops/Infinite
- Loops/N plus one half
- Loops/While
- Loops/With multiple ranges
- Loops/Wrong ranges
- Luhn test of credit card numbers

### M

- Magic squares of odd order
- Magnanimous numbers
- Man or boy test
- Mandelbrot set
- Matrix with two diagonals
- Maximum difference between adjacent elements of list
- Meissel–Mertens constant
- Memory allocation
- Mersenne primes
- Mertens function
- Mian-Chowla sequence
- Middle three digits
- Minimum number of cells after, before, above and below NxN squares
- Minimum numbers of three lists
- Mosaic matrix
- Multi-dimensional array
- Multifactorial
- Multiple distinct objects
- Multiplication tables
- Munchausen numbers
- Mutual recursion