I discovered MathPapa while on Google+, and was surprised by how powerful and accurate the calculator is. In addition, it is a free calculator.
The calculator can solve almost any algebra problem you will encounter in middle and high school. In addition MathPapa will add,subtract,multiply, and divide fractions.
When solving the problem the answer can in a simplified version, or include step by step directions. For many of the problems it also provides a link to a video tutorial.
Let's look at an example.
Let's solve your equation step-by-step.
Step 1: Subtract 5 from both sides.
How about Fractions?
In addition, Algebra tutorials, and Math training is also provided on the site.
Another helpful feature is the calculators graphing ability.
For example, if you are solving, x+3y=28, you are given three options.
Solve for x,solve for y, or graph.
I found entering the problems very easy, and a list of the symbols you need to use for operations is given.
Finally, the calculator is very accurate, and errors are rare.
Hope this review was helpful, and go check out MathPapa.
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