Casio FX-991ESPLUS-SB-UT Scientific Calculator

The Casio FX-991ESPLUS Scientific Calculator is a top-of the-range scientific calculator with 403 mathematical functions and an exceptionally easy to read natural textbook display. Ideal for Key Stage 3 and above, the FX991ES Plus has random integers and an improved equation mode.

• Dual solar and battery (LR44) powered, ensuring full operation even in dark conditions
• Supplied with slide-on plastic case
• Functions include trigonometrics, logarithms, reciprocals, factorials, standard deviation, fractions, roots and powers
• Auto power off
• Plastic keyboard
• Manufacturer's part FX991ES Plus