简易数据库sqlite3的shell源码，可以看看，代码不是很长-Simple database sqlite3 shell source code, can see, the code is not very long

vb语言制作的多功能元素周期表。有点击查看原子质量，电子层排布等功能。-Vb language of multifunctional element periodic table.Click on view the atomic mass, shell configuration, and other functions.