As we know that Casio is one of the leading brand in our country and their products also up to the mark.
Casio FX-991MS 2-Line display scientific calculator is a very efficient scientific calculator with more than 400 functions. It is one of the very best models around today as it can be used for solving various mathematical and scientific equations.
Casio 991 MS have 400 functions which is one of the important feature of this Calculator.
Unique design and when we compare casio 991 with other calculators then this is the best.