1661
Math

Operations on sets

Specifies the basic operation of the two sets
5801
Math

Volume of the parallelepiped

The calculator allows you to calculate the volume of the parallelepiped.
33721
Life

Calculator child's blood group

Calculator based on blood group made ​​of both parents, given that they are owned by the child possible blood groups.
8948
Verifiers

Verifier NRB / BBAN

Calculator allows you to verify the correctness of the entered account number.