- move points and axis by arrow key
- order the points table of current curve by ascending order of x axis
for future
- settings
- export precision
- curve colors and types
- recent file
- i18n
- redo undo
- installition
- 2020.05.06:fixed rename curve error
- 2020.05.06:add delete curve tool
- 2020.05.06:selected curve automatically be the current curve
- 2020.05.05:fitting curve by polynamial
- double click to change curve name