Scientific Calculator
Function description:
The "+","-","*","/","^","~" button at the right and in red are operation buttons. Which need another number and clicking the "=" button
to get the result. Except the 0 ~ 9 number button, all other buttons are funtion buttons, by clicking them the result will immediately
shown.
Examples:
- 2~9: represents 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9.
- PI: 3.1415926
- Int: integar. 2.3 will resulted in 2, 444.5 will resulted in 444.
- Copy: the number in the result window will be copied to computer memory, you can
paste it to other editors like Word or Excel.
- Paste: the number in computer memory will be pasted to the result window.
