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# Area setting Sir I want to lern how is setting trignometry equation (S(s-a)(s-b)(s-c)) in casio fxx-991 MS model calculator

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Posted on Dec 15, 2007

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Posted on Jan 02, 2017

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## Related Questions:

### How can i write this in my calculator example. 2x=10 the answer is x=5 but how can i put x in the calculator

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.

Oct 16, 2013 | Casio FX350MS Scientific Calculator

### Solve equations

Sorry but the FX82 MS from Casio does not solve equations.

Sep 29, 2013 | Casio FX82MS Scientific Calculator

### Runge kutta method on casio fx 991 ms

It can calculate numerical values of derivatives of functions and definite integrals but it does not solve differential equations.

Aug 25, 2013 | Office Equipment & Supplies

### Which model of casio csn do integration in limits

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

### How we can multiply two algebraic equation in 991 ES CASIO calculators

The Calculator does not have a Computer Algebra System (CAS), and cannot perform algebraic operations with variables. However if you enter some expression with variables, it can solve for one unknown after it prompts you for the values of the others

Oct 05, 2012 | Casio Fx-991es Scientific Calculator

### Equation mode in casio115W

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

### How to solve equations with two variables by usin CASIO fx901 calculater? eg- 6x+9y=2700 5x+4y=1560

The FX-901 calculator seems to be the equivalent of the FX 260 Solar sold in North America. It does fraction calculations, permutation, statistics but lack the Equation Solver.
You cannot use it to solve equations.
Casio Scientific calculators that can handle equation solving are the FX-115 and FX-991.
Simplify your first equation by dividing all its terms by 3, then use elimination to carry out the solution by hand.

Sep 02, 2012 | Office Equipment & Supplies

### Need help with fx - 991 ms to solve f(x)=100x-64*x^2+48*x^3 for different value of x

I am not quite sure what you mean by ``solve f(x)=100x-64*x^2+48*x^3 for different value of x``. Do you want to find the roots of the cubic equation 0=100x-64*x^2+48*x^3 , or do you want to generate values of f(x) for different values of the variable x.
For the first case, use the SOLVE program,
for the second, use the TABLE computational mode: Press MODE and select TABLE, then enter the expression to the right of the equal sign. In TABLE, X is the default variable.

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### How do I put an = sign between eqasions? ie... 8x+7=5x-11

The calculator has two = signs,
1. the = sign to execute a command, located at the right corner of keypad
2. the = sign to insert in an equation.
This last one is accessed by pressing [ALPHA][CALC] (=). On the Casio FX-991 ES the [CALC] key is located on the top left corner of keypad.

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