Home > Maths > Quadratic Equation Solver – the app

Quadratic Equation Solver – the app

Earlier today Will Davies (@notonlyahatrack) tweeted at me that Phil Boor (@Phil_Boor) had had his first app published, “Quadratic Equation Solver“.

I quickly downloaded it, and I quite like it. It does exactly what it days on the tin, it solves quadratic equations. I’m not sure there’s a huge market for it to be honest, especially with the other maths apps that are available that solve quadratic equations and do lots of other things as well.

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One love the look of it, and how quickly it solves quadratics, but I did find it slightly annoying that you have to put 1 in as a coefficient. That you can’t change the + symbols to – symbols so have to add negative coefficients.

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I was also a little disappointed that it didn’t give me the formula when I tried to solve ax^2 + bx + c = 0.

It amused me that for this:

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Expresses the answer -1 as -3+rt4 and -5 as -1-rt4!

All in all, a lovely little free app, if you want one that only solves quadratic equations. If you’re after one that does this (albeit in a slightly less cool way) and more, try the free “mathematics” or the very reasonably priced “Wolfram Alpha“.

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