Question about Casio FX-300MS Calculator
I am learning about inverse functions in Algebra 2. I have a Casio fx 300MS calculator and cannot locate the key. I do hope you can help.
Use [SHIFT] [COS^-1], [SHIFT][SIN^-1] and [SHIFT][TAN^-1] the keys are the same as the direct function, but they are accessed via [SHIFT].
Be carefule with the angle units when handling trigonometric and inverse trigonometric functions
Hope it helps
Posted on Sep 25, 2009
SOURCE: Factoring polynomials "Algebra"
choose equation format "4"
input the coefficient for a which is "1" and hit "="
input the coefficient for b which is "4" and hit "="
input the coefficient for c which is "3" and hit "="
input the coefficient for d which is "12" and hit "="
Hit "=" for X1
Hit "=" again for X2
Hit "=" again for X3
Posted on Oct 20, 2008
Alot of people have this doubt, so I might as well make it clear.
Press the 10^x button (while pressing SHIFT, of course; it's exactly above the LOG button) followed by the number whose antilog you desire.
Let's say we need antilog(-6.8),
1. Press SHIFT, followed by LOG (i.e 10^x); this'll display a 10 on the screen;
2. Type in -6.8;
3. Press "=";
4. This'll display 1.584893192x10^-7 as the solution, which is correct!
5. Bye, lol :P
Posted on Apr 09, 2009
Here is the solution for th FX-991ES.
The error may be due to the key you used to signifie inverse. It says in the manual that you should use the key x^-1 not the one used to input general powers.
Here is screen capture from the Appendix to the manual. The picture shows the sequence of keys to press to obtain the inverse of a 2x2 matrix. It is taken from page 41 of Appendix
The matrix used in the exemple is
a_11=2 a_12=1 a_21=1 a_22=2
Here is the link to download the manual and the appendix
The link is for FX991ES. Look there foe you manual.
Hope it helps
Posted on Sep 07, 2009
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