Celect CT-800N CT-800N Basic Calculator  (12 Digit)

12 digit - dual power - big display - 112 steps check & correct electronic calculator with Model ia a dual powered ( high power solar - backup battery ) calculator operative under any lighting conditions. Auto power-off functions. The calculator switches, the power off automatically if there has been no key entry for about 5 minutes. The unit has a 112 step replay memory capacity which is useful to check each process of the calculation and if there is any amis-input found, it can be corrected.. If the calculation becomes more than 112 steps, it is indicated in display by flashing 112 on the left side of LCD. Further calculation can be continued but not stored in replay memory.