=BUILTINS.R()
-> {"RADIANS",RADIANS;"RAND",RAND;...}
DEFINE(
BUILTINS.R,
LAMBDA(
VSTACK(
HSTACK("RADIANS", RADIANS),
HSTACK("RAND", RAND),
HSTACK("RANDARRAY", RANDARRAY),
HSTACK("RANDBETWEEN", RANDBETWEEN),
HSTACK("RANK", RANK),
HSTACK("RANK.AVG", RANK.AVG),
HSTACK("RANK.EQ", RANK.EQ),
HSTACK("RATE", RATE),
HSTACK("RECEIVED", RECEIVED),
HSTACK("REDUCE", REDUCE),
HSTACK("REGEXEXTRACT", REGEXEXTRACT),
HSTACK("REGEXREPLACE", REGEXREPLACE),
HSTACK("REGEXTEST", REGEXTEST),
HSTACK("REPLACE", REPLACE),
HSTACK("REPLACEB", REPLACEB),
HSTACK("REPT", REPT),
HSTACK("RIGHT", RIGHT),
HSTACK("RIGHTB", RIGHTB),
HSTACK("ROMAN", ROMAN),
HSTACK("ROUND", ROUND),
HSTACK("ROUNDDOWN", ROUNDDOWN),
HSTACK("ROUNDUP", ROUNDUP),
HSTACK("ROW", ROW),
HSTACK("ROWS", ROWS),
HSTACK("RRI", RRI),
HSTACK("RSQ", RSQ),
HSTACK("RTD", RTD))))
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