syntax-quick-learning [WIP]

For we programmer, the fatest way to learn a new language is reading code. Learning syntax of a new language and also don't forget to write code you are good at here!

1、calculate natural log e, with last item precision < 1e-4

• Bash
• C
• C#
• C++
• ECMAScript
• Java
• Lua [WIP]
• PHP
• Python
• Ruby [WIP]
• Swift
• VB [WIP]

2、Sum all the prime numbers up to and including the provided number.

 = 2 + 3 + 5 + 7 + ...)

• Bash [WIP]
• C [WIP]
• C# [WIP]
• C++ [WIP]
• ECMAScript
• Java [WIP]
• Lua [WIP]
• PHP [WIP]
• Python [WIP]
• Ruby [WIP]
• Swift [WIP]
• VB [WIP]