Question about Casio Brand New-Fx-991es Plus - Scientific Calculator
Why cant they include infinity symbol ? sometimes i feel my calculator is so dumb !
Posted on May 13, 2013
You cannot. The calculator does not have a Computer Algebra System or CAS. If you are trying to calculate an integral over an infine interval, you must try some high values to simulate infinity and find a value after which the value of the integral stops changing .
Posted on Nov 18, 2012
Unless I am failing to understand your problem, just combine like terms to get:
9x^2+2x+4 and then enter those coefficients into the quadratic solver.
That will get you the two answers -- both of them will be complex.
If you wanted to turn those two answers into factors (complex) of the original equation simply
change the signs on each and put an x in front.
Of course, the quadratic formula would also work.
Posted on Apr 28, 2009
If you have mastered matrix manipulations on the TI calculators, it should be a breeze to learn the same on the Casios.
A. Define the matrix (Create it)
Press [SHIFT][QUIT] to return to the list of matrices to create new ones
Operations on matrices
Once you have one matrix, you can do operations on it: Calculate the determinant (if matrix is square), calculate its inverse, transpose, augment it, fill it, etc..
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]
Product of two compatible matrices MatAXMatB
[OPTN][F2:MAT] (MAT) [Alpha] A [* ) (MAT) [ALPHA] B [EXE]
Hope it helps.
Thank you for using FixYa.
Posted on Nov 23, 2009
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