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Posted on Jan 02, 2017

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SOURCE: how to get the inverse of a matrix an fx-991 ES

The same way you would get the inverse of a number. Assuming you already have the matrix entered into memory, press SHIFT 4 to bring up the matrix menu, select the matrix whose inverse you want, then press the x^-1 key (just to the right and slightly below the big round cursor pad.

Posted on Nov 02, 2010

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SOURCE: how do i multiply to

The enclosed screen capture shows all the possible dimensions for matrices on the Casio FX-991ES. As you can see the maximum dimension of any matrix is 3. You can only create matrices with dimensions less than or equal to 3.

Posted on Dec 01, 2010

SOURCE: How do i calculate antilog

For common logs (logs in base 10) use the 10^x function : Press [SHIFT] [Log] to access it.

For natural logs, use the exponential function. Press [SHIFT][ln] to access it.

Posted on Dec 03, 2010

SOURCE: how to interpolate in CASIO

its simple

press mode

3;stat

2;A+Bx

l x l y l

l 2 l 4.6 l

l 4 l 5.9 l

press; AC

press;5.9

press; shift

press;1

press;7 (reg)

press;5 (comma)

press;=

u will get ans

Posted on Nov 07, 2012

The calculator has two symbols to use as decimal separators but it does does separate the thousands.

Jun 03, 2015 | Casio Scientific Calculator Fx-82es Plus

What you want to do is solve the linear equation 2x=10 to find the value of the unknown x that makes the equality true. Solving an equation usually involves rearranging therms, factors and so on. However your calculator was not designed to handle the solution of equations, no matter how simple they are.

Some Casio scientific calculators can solve some types of equations (polynomials of degree 2 or 3, simultaneous linear equations in up to 3 unknowns). These are the FX-115 ES (Plus) and FX-991 ES (Plus C). Other equivalent models are sold in the world under different names.

Some Casio scientific calculators can solve some types of equations (polynomials of degree 2 or 3, simultaneous linear equations in up to 3 unknowns). These are the FX-115 ES (Plus) and FX-991 ES (Plus C). Other equivalent models are sold in the world under different names.

Oct 16, 2013 | Casio FX350MS Scientific Calculator

The Casios FX-115 ES , FX-115 ES PLus, FX-991 ES, FX-991 ES Plus C can perfom numerical differentiation at a point, and numerical integration between two given limits.

Aug 12, 2013 | Casio FX991ES Scientific Calculator

Sorry, the Fx-115W is unable to solve equations of any type. In addition to that, the more sophisticated Casios such as the FX-991 ES solve linear equations of no more than 3 variables.

Sep 09, 2012 | Casio FX-115W Plus Calculator

It is not worth trying to have it fixed. Just go and buy the newest version the FX-991ES Plus, and do be careful handling it.

Aug 05, 2012 | Casio Office Equipment & Supplies

Sorry, the fx-570ES Plus does not have the ability to insert thousands separators into numbers.

May 11, 2012 | Casio FX-115ES Scientific Calculator

Sorry but you cannot. You can change the decimal mark from dot to comma but you cannot have the calculator separate the digits between thousands (thousands separator).

Jan 24, 2012 | Casio FX570ES Scientific Calculator

Casio has a scientific calculator with Model FX-991 ES. It is sold in North America, and maybe in other continents. You can find it at Staples/ Bureau en Gros stores for around 29 CAD.

Sep 06, 2011 | Casio FX-115ES Scientific Calculator

its simple

press mode

3;stat

2;A+Bx

l x l y l

l 2 l 4.6 l

l 4 l 5.9 l

press; AC

press;5.9

press; shift

press;1

press;7 (reg)

press;5 (comma)

press;=

u will get ans

press mode

3;stat

2;A+Bx

l x l y l

l 2 l 4.6 l

l 4 l 5.9 l

press; AC

press;5.9

press; shift

press;1

press;7 (reg)

press;5 (comma)

press;=

u will get ans

Feb 08, 2011 | Casio FX-115ES Scientific Calculator

Hello,

There are many different functions...

You can download the entire manual after answering a few questions at www.safemanuals.com

after using the dropdown menu for this make and model.

Good Luck!

There are many different functions...

You can download the entire manual after answering a few questions at www.safemanuals.com

after using the dropdown menu for this make and model.

Good Luck!

Oct 18, 2010 | Casio FX-115ES Scientific Calculator

Nov 20, 2017 | Canon Office Equipment & Supplies

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