Tap the round blue arrow button to edit an existing yarn remnant.
Tap the edit button if you need to add or delete a yarn remnant. (See next screen shot.)
Tap the red round minus button to delete a yarn remnant.
Tap the plus button in the titlebar add a new yarn remnant. (See next screen shot.)
Enter a name for the yarn remnant and tap next.
Select a yarn from the picker wheel and tap next.
Weigh your yarn remnant. A kitchen scale capable of weighing in grams will give very accurate results. Enter the weight. Tap the units for the weight. Then tap Done.
Tap Done.
Tap Done.
Tap Yarn Estimator to return to the main menu.