Casio FX-991 EX classwiz calculator tutorial (perfect for algebra, FE exam, EIT exam)

Congrats to giveaway winner: Matheus Henrique (with 473 likes on 12/31/16)
CLASSWIZ: www.shopcasio.com/product/calc...
Casio FX 991 EX calculator classwiz tutorial & GIVEAWAY!!!
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"IT HELPS YOU TO HATE MATH LESS!"
8 REASONS TO LOVE THIS CALCULATOR!!
@0:27, Solve quadratic equation, solve polynomial equations
@2:02, Solve system of equations, solve simultaneous equations,
@2:56, Complex number on calculator, divide complex numbers
@3:30, Log with any base, log base 8 of 4
@3:50, inverse sine, inverse trig, changes degrees to radians
@4:47, summation, sigma summation on scientific calculator,
@5:32, derivative of x/(1+x^2) at x=3,
@6:14, indefinite integral of sqrt(x) from 1 to 4, integral of sqrt(x) on calculator,
Perfect for FE and EIT exam,
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