In tegral Number System
In everyday Lifenumbers are always used to descride the value of things.In some cases counting numbers natural numbers or positive in tegers and zero as Students have learnt in Learning Unit 1 are not enough to rapresent the values For example in some Countries the weather could be so cold that the tempevature drops down below zero In this casenega tive in tegers are used to repre sent the Values of things that are below zero.