Reference

Vector types
biginteger() as_biginteger() is_biginteger()	Arbitrary-Precision Integer Vectors
bigfloat() as_bigfloat() is_bigfloat()	High-Precision Numeric Vectors
NA_biginteger_ NA_bigfloat_ bigpi	Constants
Formatting
format(<bignum_biginteger>) format(<bignum_bigfloat>)	Format a bignum vector
Operations
bignum-arith	Arithmetic operations
bignum-compare	Comparison operations
bignum-math	Mathematical operations
bignum-special	Check for special values
seq(<bignum_vctr>)	Sequences of bignum vectors