600 400 True True True True Use Tab key to move between tabs True True automatic automatic True True Enter data pairs, any format is acceptable False True Data False True True 1 True Graph 1 False True True automatic automatic True True The polynomial coefficients False False 2 True Function 2 False 0 True 120 True 0 4 0 <- True True True Decrease polynomial degree (Left-arrow) right 4 1 True False Current polynomial degree (Use arrow keys) False ● 0.5 False 2 -> True True True Increase polynomial degree (Right-arrow) 4 3 Quit True True True Quit this program 4 4 False 1