Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...
abs: The absolute value of a number (e.g. abs(-5) = 5). mod: From modulo. it's the operation to find the remainder of the division of one number by another. In python we use the symbol % (e.g. 5mod2 = ...