Singular

4.1.3 bigint operations

+

addition

-

negation or subtraction

*

multiplication

div

integer division (omitting the remainder >= 0)

mod, %

integer modulo (the remainder of the division div)

^, **

exponentiation (exponent must be non-negative)

<, >, <=, >=, ==, <>

comparators

Example:

bigint(5)*2, bigint(2)^100-10;
==> 10 1267650600228229401496703205366
bigint(-5) div 2, bigint(-5) mod 2;
==> -2 -1