Casio fx-991ES Plus 2 Scientific Calculator

Manufacturer Number FX991ESPLUS2 number of digits displayed 10 + 2 (10 Mantissa + 2 Exponential) Digit screen proportion Full Dot Matrix number of functions with New Equation Mode, Random Integers automatic shut off Yes width 11.10 mm ( .44 in ) height/length 161.50 mm ( 6.36 in ) depth 77.00 mm ( 3.03 in ) weight 95.00 g ( 3.35 oz ) color Black power source Battery/Solar Powered battery type A76/LR44 (Button Cell) batteries included Yes product type Scientific Calculator