On this field, a calculus is developed. Rules of differentiation and certain fundamental theorems are discussed. A remarkable property of differentiation is that difference quotients with infinitely small differences yield the exact derivative up to an infinitely small error. This is of historical interest since it justifies the concept of derivatives as differential quotients. But it is also of practical relevance; it turns out that the algebraic operations used to compute derivatives in automatic differentiation are just special cases of calculus concepts on L. The arithmetic on L can be implemented in programming languages, in particular if object oriented features exist, and should provide a useful data type for various applications.
M. Berz, in: "Computer Arithmetic and Enclosure Methods" (1992) 439-450, Elsevier
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