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The Clean Coder by Robert C. Martin

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10. Estimation

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Estimation is one of the simplest, yet most frightening activities that software professionals face. So much business value depends on it. So much of our reputations ride on it. So much of our angst and failure are caused by it. It is the primary wedge that has been driven between business people and developers. It is the source of nearly all the distrust that rules that relationship.

In 1978, I was the lead developer for a 32K embedded Z-80 program written in assembly language. The program was burned onto 32 1K × 8 EEprom chips. These 32 chips were inserted into three boards, each of which held 12 chips.

We had hundreds of devices ...

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