Doesnt work for me

Automatically scrolls to 20 or 21 people and puts in two 00 after the first number I type (if I try to put $75.00, it changes it to $7.005 divided by 20 people). I tried deleting the app and downloaded it again and it still does it. Bummer.

Edandjeny about CheckPlease Lite - Tip Calculator, v4.3.3