Want to see another example why #CASIO fx-991DEX is better than 991EX? Check this chemistry nightmare:
📖 10 P2I4 + 13 P4 + 128 H2O = 40 PH4I + 32 H2PO4
You can balance within seconds on DEX❗AUTO TRANSLATE ON ❗
https://t.co/zu8QUBYcDl
@CasioEdTech@CasioMaths@CasioEduFrance
Why #CASIO fx-991DEX is better than 991EX? Because of #RREF
You can balance chemical equations easily, like this:
📖 Cr2O7(2-) + 6 Fe(2+) + 14 H(+) = 2 Cr(3+) + 6 Fe(3+) + 7 H2O
Check the video❗AUTO TRANSLATE ON
https://t.co/Ad0fZgf6vU
@CasioEdTech@CasioMaths@CasioEduFrance
@CasioEdTech Just 3 questions:
1.) it can make derivative by ANY variable?
2.) it can handle ANY (eg. vector or matrix) equations in numerical solver?
3.) all MODEs are removed and the calculator works with objects?
If the answer is NOT 3×YES, this calculator is useless in higher education.