The purpose of computing is insight, not numbers.

– R. W. Hamming

... but for the student, numbers are often the best road to insight.

– A. Ralston

14.1 Introduction

C++ was not designed primarily with numeric computation in mind. However, numeric computation typically occurs in the context of other work – such as database access, networking, instrument control, graphics, simulation, and financial analysis – so C++ becomes an attractive vehicle for computations that are part of a larger system. Furthermore, numeric methods have come a long way from being simple loops over ...

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