NumericMode:
    | "auto"
    | "machine"
    | "bignum"
    | "complex"

The numeric evaluation mode:

Mode
"auto" Use bignum or complex numbers.
"machine" IEEE 754-2008, 64-bit floating point numbers: 52-bit mantissa, about 15 digits of precision
"bignum" Arbitrary precision floating point numbers, as provided by the "decimal.js" library
"complex" Complex number represented by two machine numbers, a real and an imaginary part, as provided by the "complex.js" library