Like kaffir lime leaves and other Southeast Asian spices, lemongrass has no substitute. It has a distinctly warm, lemon aroma, but not the sour taste of the fruit. The citrus flavor of lemongrass instead is slightly sweet, and has the familiar, but milder, bite of ginger.ike kaffir lime leaves and other Southeast Asian spices, lemongrass has no substitute. It has a distinctly warm, lemon aroma, but not the sour taste of the fruit. The citrus flavor of lemongrass instead is slightly sweet, and has the familiar, but milder, bite of ginger.
Mathematics is the classification and study of all possible patterns. Walter Warwick Sawyer, 1955. Yet another approach makes abstraction the defining criterion: Mathematics is a broad-ranging field of study in which the properties and interactions of idealized objects are examined. Wolfram MathWorld. Definitions in general reference works
Arithmetic (from the Greek á¼ÏÎ¹Î¸Î¼ÏÏ arithmos, number) is a branch of mathematics that consists of the study of numbers, especially the properties of the traditional operations between themâaddition, subtraction, multiplication and division.