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What is the numeric value of each the following expressions as evaluated by the java programming languages? 6/3*7=?, 18/2+14/2=?, 16/2=?, 17/2=?, 28/5=?, 16%2=?, 17%2=?, 28%5=?, 28%5*3+1=?, (2+3)*4=?, and 20/(4+1)=?

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In order:

14,11,8,8,5,0,1,3,10,20,4

Posted on Mar 23, 2011

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4ln(5x)=12


To evaluate the expression you need the value of x.
To solve you do as follows
ln(5x)=12/4=3
Take the exponential of both sides of ln(5x)=3
e^(ln(5x))=5x=e^(3)
This gives x=(1/5) e^(3)

Apr 23, 2014 | Texas Instruments TI 30XIIS Scientific...

1 Answer

Write a Java application that finds a. Area and perimeter of rectangle. b. Area and circumference of a circle.Display explanatory text with the value


Did you find a solution for this ?

You haven't received any help because the request looks a lot like a homework assignment and a lot of people are unwilling to do that.

I have some suggestions:

1) You should make sure that you have a working copy of Java. Start at the Java Tutorial: http://docs.oracle.com/javase/tutorial/java/TOC.html

If you do not have a working Java on your machine, follow the link at the top right of that screen to 'Download JDK'. That is the set of programming tools you need to use to compile and run programs.

The Installation Instructions will tell you everything you wish to know. I suggest that you use: http://notepad-plus-plus.org/ to type in programs.

Good luck. Post more on the problem page for more help.

Sep 22, 2012 | Sun Java Programming Language (cdj-275)

1 Answer

Im trying to use Algebra on the new calculator I bought, as its important for my school use. As an example, I write: 3x+3x and that result is 0? How come? Shouldn't it be 6x?


This calculator cannot do algebra ( manipulating expressions with letter symbols) . It does not have a CAS (computer Algebra System). All it can do is evaluate (find the numerical value of) expressions typed in. If it has the appropriate keys to enter variables such as A,B,C, or X and Y., and you entered an expression with variables it will use the numerical values stored in the variables. If you have not stored anything in a variable, it is given the value 0 by default.

Aug 25, 2011 | Texas Instruments TI-30 XIIS Calculator

1 Answer

If the visual basic have its toolbox, what about the Java?


there is no toolbox for sun java programming for it is not a gui language.
if u want java with toolbox,"visual java" is availale on the net, which is pretty much similar to visual basic,the only difference being the language used in the former is "java" and that which used in the latter is "basic".

Jun 23, 2011 | Sun Java Programming Language (cdj-275)

1 Answer

How do I get my calculater to and and simplify completely 5xto the third power over 6xyto the second power divided by 10x over 3xy to the fourth power for variable y


The calculator does not have a CAS (Computer Algebra System). Therefore it cannot do symbolic algebra. It can only calculate numerical values.

You can enter algebraic expressions with symbols (X, variable), Y, A,B,C,D, and M but they will just be evaluated with the current values of A, B,C,D, Y, and M. If you use the SOLV program the unknown variable must be X.

Jun 21, 2010 | Casio FX-115ES Scientific Calculator

2 Answers

Can i calculate calculus using fx-991ms


If you want to get an answer like 1/2X for d/dx(X^2), you will have to purchase a CAS calculator like Casio's Algebra FX-2 or Classpad. TI series calculators also have CAS.
However, you can calculate the numerical values of derivatives and integrals only.
To calculate the value of a proper integral:

  1. Press the 'ON' key;
  2. Press the Integral key b8325f5.jpg;
  3. Enter your expression (example X^2+X-3 etc);
  4. Press the 'comma' key after your expression;
  5. Input the first limit after comma, input comma again after first limit;
  6. Close brackets;
  7. Press the equals key, display may return after a while with the answer.
for eg to calculate xdx from 0 to 2, input as follows:

dx(X,0,2)

To calculate derivative at a point:

  1. Press Shift and then the integration key.
  2. Enter your function;
  3. Input comma;
  4. input the point at which you want to evaluate the derivative;
  5. Close bracket and press enter.
Example, to calculate d/dx X^2 at 3 input:

SHIFT+dx key X^2,3)

Display looks like this: d/dx(X^2,3).


Oct 23, 2009 | Casio FX-300MS Calculator

1 Answer

How do enter a lim of function when from one side using nderiv


Hello,
nDeriv( is valid only for real variables.
The syntax is as follows:
nDeriv ( expression, variable, value, epsilon)

expression: the function the derivative of which you want to calculate
variable: the name of the variable in the expression above (usually x)
value: the numerical value of the e x where you evaluate the derivative
epsilon: the numerical value of the tolerance. Default is 1x10^(-3). But you can change it to a smaller value to obtain a more precise result.

To use default value of epsilon
nDeriv ( expression, variable, value)

To use a different epsilon, ex 1x10^(-4)
nDeriv ( expression, variable, value, 0.0001)

nDeriv( A^3 , A, 5., 0.0001) should give you 75

Hope it helps.

Oct 21, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Code for method parseInt() in java


parseInt(java.lang.String, int)

This code takes two arguments, a string constructor from the Java language and an integer. Its purpose is to parse (meaning de-construct or disassemble into component parts) one data type into another.

Here is an example of a Java program to specify and print out the dimensions of a rectangle, taken from the page http://www.roseindia.net/java/beginners/entervaluesfromkeyboard.shtml:

class Rectangle{
int length, breadth;
void show(int x, int y){
length = x;
breadth = y;
}
int calculate(){
return(length * breadth);
}
}
public class EnterValuesFromKeyboard{
public static void main(String[] args) {
Rectangle rectangle = new Rectangle();
int a = Integer.parseInt(args[0]);
int b = Integer.parseInt(args[1]);
rectangle.show(a, b);
System.out.println(" you have entered these values : " + a + " and " + b);
int area = rectangle.calculate();
System.out.println(" area of a rectange is : " + area);
}
}

Apr 09, 2009 | Sun Java Programming Language (cdj-275)

1 Answer

Mysql database tables+find new inserted or update row using java


After you add the new record into table A, you can use the LAST_INSERT_ID() function to retrieve the value of the auto_increment PK field. Look here for more information on this function: http://dev.mysql.com/doc/refman/5.0/en/information-functions.html

Mar 02, 2009 | Sun Java Programming Language (cdj-275)

3 Answers

Error to compile java program


The main cause of this error is you havent set the environment variables correctly, you can do it as follows

Right click on "My Computers" select properties the click "Environment variables" then under "User variables for pcname"

select new and add the following paths

1)var name:path
var value:C:\Java\jdk1.5\bin

2)var name:classpath
var value:C:\YourJavaCodeDirName

click ok and its done

Feb 28, 2009 | Sun Java Programming Language (cdj-275)

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