Got questions about Graphing Calculator 3D?

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Got questions about Graphing Calculator 3D?

Post  runiter on Wed Dec 05, 2007 2:20 am

Welcome to Graphing Calculator 3D question forum!
This forum is designed for questions and comments regarding Graphing Calculator 3D found at:

http://www.runiter.com/graphing-calculator/

If you have downloaded Graphing Calculator 3D and have questions or comments, please post them here. I will personally respond to each and every question.

Saeid Nourian
President of Runiter Company


Last edited by runiter on Fri Aug 29, 2014 10:44 am; edited 1 time in total
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mortage tables

Post  robingyn on Sun Jan 11, 2009 1:39 pm

i thought i could use this to calculate a loan repayment schedule with interest, variable payments and a balloon - did i download the wrong program or is that math here somewhere and i don't know it?
rb

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Re: mortage tables

Post  runiter on Sun Jan 11, 2009 4:02 pm

Hi Robin,
This program is very flexible easy-to-use yet powerful calculator that currently targets general math but we have plans for finance/mortgage specific calculations as well. Although currently it does not have a build-in interest amount function, you could easily define your own. For example type:

MonthlyPayment(load, interest, years) = load*(interest*(1 + c)*years)/((1 + interest)*years - 1)

then use it like this:
MonthlyPayment(100000, 0.05, 25)

to calculator monthly payment of 100,000 loan for 5% interest over 25 years.

As per formulas found here:

http://www.mtgprofessor.com/formulas.htm
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Re: Got questions about Graphing Calculator 3D?

Post  Guest02 on Wed May 12, 2010 11:24 pm

How do you graph solids?

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Re: Got questions about Graphing Calculator 3D?

Post  runiter on Thu May 13, 2010 9:28 am

Can you tell me an example of a solid?
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Draw Error

Post  Chem.Eng on Fri May 21, 2010 9:13 pm

After typing an equation in to Z= dialog box and hitting enter, I get the following draw error:

Unexpected Error: javax.media.j3d.IndexedGeometryArray.setCoordIndicesRef([I)V

Does anyone have an idea what my problem might be? Your help would be appreciated. This little implication is keeping me from using this piece of excellent software!

Thanks.

Chem.Eng
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