Donchian Channel indicator with the color filling inside the channel, drawn as a cloud, with the display of the last values as price labels and the possibility to round the channel levels up to a required number of digits, and a price grid with these rounded values. The number of digits to round is set in the Digit input:

input uint Digit=3; //Number of digits to round to

Fig.1. DonchianChannelsCloud_Digit_Grid