Anybody interested in a Quadratic Solver?

**janvdl** · December 12th 2007, 03:51 AM

I programmed one. Simple, i know, but it does the job

Let me know what you guys think of it.

EDIT: Download Math Tool 3.5 here

**Jhevon** · December 12th 2007, 08:59 AM

Originally Posted by janvdl

I programmed one. Simple, i know, but it does the job

Download it here

Let me know what you guys think of it.

it can't find complex roots

**janvdl** · December 12th 2007, 09:03 AM

Originally Posted by Jhevon

it can't find complex roots

No it uses the $\frac{ -b \pm \sqrt{b^2 - 4ac} }{2a}$ formula.

I guess only kids in lower grades might find it useful then... *sigh*

**Jhevon** · December 12th 2007, 09:08 AM

Originally Posted by janvdl

No it uses the $\frac{ -b \pm \sqrt{b^2 - 4ac} }{2a}$ formula.

I guess only kids in lower grades might find it useful then... *sigh*

i realize that you used the quadratic formula. couldn't you alter the code to recognize complex roots though?

**janvdl** · December 12th 2007, 09:10 AM

Originally Posted by Jhevon

i realize that you used the quadratic formula. couldn't you alter the code to recognize complex roots though?

Expand on that?

**Jhevon** · December 12th 2007, 09:27 AM

Originally Posted by janvdl

Expand on that?

as in tell the program that if it gets $\sqrt{-2}$ for example, it should interpret it as $\sqrt{2}~i$ . would that be too hard?

i never checked, how does it deal with double roots? that is, when what's under the square root sign is zero?

**janvdl** · December 12th 2007, 09:39 AM

Originally Posted by Jhevon

as in tell the program that if it gets $\sqrt{-2}$ for example, it should interpret it as $\sqrt{2}~i$ . would that be too hard?

i never checked, how does it deal with double roots? that is, when what's under the square root sign is zero?

You started this idea, so you're going to help me put it to work

**Jhevon** · December 12th 2007, 09:40 AM

Originally Posted by janvdl

You started this idea, so you're going to help me put it to work

i don't know what programming language you are using, and chances are, even if i did, i wouldn't know it

**janvdl** · December 12th 2007, 09:45 AM

Originally Posted by Jhevon

i don't know what programming language you are using, and chances are, even if i did, i wouldn't know it

Oh no, you're just going to do the maths...

**janvdl** · December 13th 2007, 04:08 AM

Okay, i got it to calculate complex roots.

I was wondering if i could put a link to MHF up on it? Would that be okay?

EDIT: I guess everyone would like to see first. See the attached pic

**colby2152** · December 13th 2007, 05:04 AM

Originally Posted by janvdl

Okay, i got it to calculate complex roots.

I was wondering if i could put a link to MHF up on it? Would that be okay?

EDIT: I guess everyone would like to see first. See the attached pic

Good job!

**janvdl** · December 13th 2007, 06:23 AM

Originally Posted by colby2152

Good job!

Thanks.

I sent a message to MathGuru. I'll have to wait and see what he thinks of it.

**MathGuru** · December 13th 2007, 08:01 AM

I like it.

**janvdl** · December 13th 2007, 08:39 AM

Great

Now here's the link chaps

Download Quadratic Solver 2

**topsquark** · December 13th 2007, 08:57 AM

Originally Posted by janvdl

Great

Now here's the link chaps

Download Quadratic Solver 2

The link takes forever to load.

-Dan

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