Where had this tool been, when I was in high school! This is one amazing online equation solver, which you can use to **solve almost any mathematical formula**. Still wondering what this is? Just put an equation in the form and hit the button… I bet you will be amazed. This tool will completely solve it, will show you the graph of its function and many other useful information. Just copy and paste this quadratic equation, if you don’t know what to type there:

-4x^2+6x+8=0

## How to Use the Equation Solver

See these instructions about how to use the calculator. You can and in most times must use the scroll to see all of the information about your function. You have to input your function, equation or other math problem in the appropriate form, to be solved correctly. You have to use the mathematical operations as they are used in programming. This should not scare you, because it’s not a big deal, they are the same, there are some small differences only. For example:

x^{n} has to be entered x^n

square root of x has to be entered x^0.5

n^{th} root of x has to be entered as: x^(1/n)

Great site! Only issue we are experiencing is that there are two variables in the equation and we need to solve for one of them:

Solve for r:

s=(3(r-2))/(5(r+2))

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I have been always in need of a decent online equation solver. My job is math related and I need to make many calculations a day. This tool here works swell, I think I can use it for some of my problems.

Well, this is not the greatest one, but I think it solves equations pretty well. I use it for my mathematical tasks, too.

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