Solar powered when light is sufficient, battery powered when light is insufficient
Floating decimals CUT: Values are cut off,UP: Values are rounded up 5/4: Values are rounded off
Specifies the number of decimal places as 4,3,2,1,0 ADD2: 2 decimal places are assumed for entries and results of all addition and subtraction operation
Key operations are stored in a buffer, so nothing is lost even during high-speed input