PS: There are many applications that are simple to implement with a stack, such as binary conversion, bracket matching, etc. Learn computer know, 2 decimal, 8 decimal, 10 decimal, hexadecimal, etc., the conversion between decimal is also need to master, in case of emergency, so we can write a piece of their own program if you can android, you can directly pack into APK. Here's a little bit of C code to follow these two applications.
conversion in progression
1: Binary conversion
Want to make one yourself conversion in progression tools， First we need to know how to implement the conversion between binary， What we normally use is10 binary， If you want to convert to8 What about the progressive system?， Follow the method， as shown