Transversal problems with equations level 1 calculator

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Example

Solved Problems

Difficult Problems

1

Solved example of equations

$2x+1=0$

2

We need to isolate the dependent variable $x$, we can do that by subtracting $1$ from both sides of the equation

$2x=-1$

3

Eliminate the $2$ from the left side, multiplying both sides of the equation by the inverse of $2$

$x=-\frac{1}{2}$

Final Answer

$x=-\frac{1}{2}$

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scrnGC2: Calc Input

scrnGC3: f(x) Plot Input

scrnGC4: g(x) Plot Input

The inputs above will be hidden when the program finally gets launched. Currently, I am not hiding them even when you close the calculator. The purpose of the inputs is to help in debugging. This allows you to enter simple code on the calculator screen but the program translates the input to javascript math. Give it a try and see if you notice any obvious problems or have suggestions for improvements.

X

Select precision* of answer: 

Select angle mode: 

Enter expression to evaluate here:  

The answer is shown below:  

2002-© John Schlecht. All rights reserved

Enter function to be plotted:

f(x) =

Enter 2nd function, if needed:

g(x) =

Change or reset the x-y scaling below:

xmin =

xmax =

ymin =

ymax =

__

The javascript math object methods used for this calculator are not accurate for very large or very small numbers.  In particular, the trigonometric functions may yield very small answers that should actually be zero or very large answers that should be infinite. This typically occurs at 90� or pi/2 intervals.

DO NOT USE WHERE HIGH PRECISION IS REQUIRED. USE AT YOUR OWN RISK.

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