BLB Calculator 1

This is a simple line calculator

Instructions:
Use + or - sum the lines and add a new empty line in the list.
Use the finger to select a line. A selected line is yellow. All entries refer to the selected line.

C clears the line
LC removes the line
AC remove all lines
MC clears the memory
M+ adds the result to the memory
M- subtracts the result from the memory
MR insert the memory to the line
ΣR insert the result to the line



have fun