The number of numbers shown 12 numbers Display screen size 6 dot matrix x 2 line (5 .) number of jobs Function, 2+10 number, multi-data answer 240 power source Solar/battery powered Product Type scientific calculator the color black automatic shutdown yes Battery Type Battery (2A) Li-ion, rechargeable Includes battery yes number of batteries 1 battery Non-slip base no Width mm 77.00 weight (105.00 g ) Product Code: 4549526607219