Casio fx 991esplus scientific calculator
The casio fx991esplus is casios most advanced scientific calculator with 417 mathematical functions recommended for advanced gcse aas level and highers this ever popular model is now available with random integers and an improved equation mode solar powered with battery backup the large natural textbook display natural v pa m shows mathematical expressions like roots and fractions as they appear in your textbooks which increases comprehension because results are easier to understand 3 y