Pressing the 'i' information button shows the settings.
'Digits in answer line'  Number of digits (including the decimal point) placed in the line above the formula and on the right edge of the paper tape area.
'Digits in 'last' answer'  number of digits inserted into formula line when either the 'answer' key or selection of paper tape are used.
Color Table Allows modifying current color scheme of keys to your own preference.
