CASIO FX-991 ES Plus Calculator (Blue/Grey) [NEW]

CASIO FX 991 ES Plus Calculator (Blue/Grey). Details: -> Technical school scientific calculator, 417 functions, 14 more functions than the Casio FX-991 is. -> FX-991 is now available with numbers (random integers) and an improved equation mode. -> Natural Display (Natural Textbook Display). **Additional Details** The Natural Screen (Natural-V.P.A.M.) displays mathematical expressions such as roots and fractions that appear in your textbook, and this increases understanding as the results are easier to understand. Natural screen V.P.A.M Dot Matrix Display 15 + 10 + 2 digits 417 functions Solving equations 20 pairs of values for metric conversions Calculation with complex numbers Calculation of functions with the Cal key (formula temporal memory) 40 scientific constants Vector and Matrix Calculation Numerical Integral Calculation / Differential Calculation Random integers New Equation Mode Function Table Two power modes