Question about Casio Office Equipment & Supplies
I bought a casio calculator FX-570s 5 years ago. I lost user's manual of it. Now, i need to use some function of it but I don't know how to use. Please help me send me an user's manual if you have one.
Thank you very much.
my email firstname.lastname@example.org
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Posted on Jan 02, 2017
SOURCE: m mod n in Casio fx991MS
there is one button ab/c beneath CALC... if u want to calculate 7 mod 4 then... u should press 7 then ab/c 4 and equal to
1, 3 ,4 which is 4*1=4 and 7-4=3 remainder...
Posted on Jun 29, 2009
Find on the calculator the [nPr] key either (you may have to use the [2nd] or [2ndF] key) then
1. Enter the number that corresponds to n eg. 18
2. Press the [nPr] key
3. Enter the number that corresponds to r eg. 5
18[nPr]5 gives 1028160
If you calculate combinaitions use [nCr] key.
Hope it helps
Posted on Sep 06, 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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