Using The Scoring Machine outdoors on your iPhone or iPod touch can be difficult in bright conditions or when you're wearing eyeglasses with polarized lenses.
The On-Course Assistant provides an alternate way to enter scores with bigger controls and numbers.
The Assistant is enabled in the Keyboard section of Settings:
When scoring from the Scoreboard, you can begin using the Assistant by tapping the icon at the right of the navigation bar…
The Assistant appears ready for entering scores for the individual or team selected on the Scoreboard, at the currently selected hole: