👉 The term "carryover" is a mathematical concept in computer science and operations research. It refers to the difference between the current value of a variable (the one that has been used for some time) and its new value when a change occurs, such as a swap or an update. In simple terms, a carryover is like a temporary storage space where a variable can temporarily hold data from past operations without actually being updated. This temporary storage allows the program to continue processing data until it reaches a