Appendix D: Tip & Tax Display Limits (Touch Only)
These are the display limits that are supported:
Preset tip ($ buttons): maximum 6 digits — up to $9,999.99
Preset tip (% buttons): range 0% to 100%
Custom tip: maximum 9 digits — up to $9,999,999.99
Sale amount + tip + tax (combined): maximum 12 digits — up to $9,999,999,999.99