Daily Swift Challenge(3/10)：Arithmetic Operations Calculator
Today’s project is based on the Project 2, also the Stanford course demo. It is a arithmetic operations calculator can add, subtract,multiply and divide.
Here is the screenshot：
And here’s the source code of the demo:
From today’s project, I’ve learned:
- Use $0, $1, $2, $3, $4…
- Make my code incredibly concise, more readable and very extensible