Rosettacode tasks in Perl 6

R

Radical of an integer Railway circuit Rainbow Ramanujan's constant Ramanujan primes Ramer-Douglas-Peucker line simplification Ramsey's theorem Random Latin squares Random number generator device Random number generator included Random numbers Random sentence from book Range consolidation Range expansion Range extraction Range modifications Ranking methods Rare numbers Raster bars Rate counter Ray-casting algorithm RCRPG Read a configuration file Read a file character by character Read a file line by line Read a specific line from a file Read entire file Readline interface Real constants and functions Recaman's sequence Record sound Recursive descent parser generator Reduced row echelon form Reflection Regular expressions Remove duplicate elements Remove lines from a file Remove vowels from a string Rename a file Rendezvous Rep-string Repeat Repeat a string Repunit primes Resistance calculator Resistance network calculator Resistor mesh Respond to an unknown method call Retrieve and search chat history 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 Rhonda numbers Rice coding Riordan numbers RIPEMD-160 Robots Rock-paper-scissors Rodrigues rotation formula Roman numerals Roots of a cubic polynomial Roots of a function Roots of a quadratic function Roots of unity Rosetta Code Rot-13 Round-robin tournament schedule RPG attributes generator RSA code Run-length encoding Run as a daemon or service Runge-Kutta method Runtime evaluation Ruth-Aaron numbers

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