Abstract A new intelligent milometer base on a microcontroller can count the sum. By taking full use of the processor 89s51 and E² PROM (AT24C02...
数字运算，判断一个数是否接近素数 A Niven number is a number such that the sum of its digits divides itself. For example, 111 is a Niven number because the sum of i...
Distribution generator Here is a simple generator which can build some distributions with given properties. Distributions generator (compile with -l...
To date tests are still the best solution mankind has found to deliver working software. This book is the sum of four years of research and practice ...
北京大学ACM比赛题目 In 1742, Christian Goldbach, a German amateur mathematician, sent a letter to Leonhard Euler in which he made the following conjecture: ...
