# Graphing soltuion

Dear experts,

I am learning trigonometry and derivatives.
In this regard I am looking for a software which can draw the graph for the quadratic/third degree equations.

I am home user so looking for an affordable software graphing solution.

Kindly guide.

Thank you
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CTOCommented:
The TI Math (Texas Instruments)  Calculators have Graphing capability, and I think they are exportable to a computer.
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Commented:
You can also use Excel.  It is the tool I use most often, for graphics, FFT's, and even Monte Carlo simulations.

Learn Excel!!! and you will be very happy.
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Commented:
Here is an online free tool that I use:
https://www.wolframalpha.com/input/?i=3x%5E3+-+5x%5E2+-10x+%2B+15

The example that I specified is to tell me some things about the third degree equation, 3x^3 - 5x^2 -10x + 15.
It showed two plots for different domains of x, (And you can specify the domain using the notation in the plots.)
It showed alternative forms of this polynomial.
It showed the roots of this polynomial.
It gives the derivative and indefinite integral of this polynomial.
It gives the local minimum and local maximum coordinates.
And even one definite integral.
All that in under three seconds.
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Author Commented:
d-glitch,

Thank you. Do you have any samples with you. I can then probably improvise what I can get from public domain.

Martin,

Thank you, I am looking windows 10 based apps or softwares.

Kindly suggest.

Thank you
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Author Commented:
phoffric,

Thank you. I will test this software. I will comeback with my questions/observations.
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Author Commented:
Martin, can you please tell me the model numbers.

d-Glitch, kindly guide
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Author Commented:
phoffric,

The website could take inputs for log functions and do similar calculations for algebric equations.

I have a question
Show that the function log(1+x)/x are decreasing on (0,infinity).

Do you think any tool will work the above details.

I am happy to raise another question, as the original purpose of the question has been answered.

Kindly guide.

Thank you
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Commented:
>> Show that the function log(1+x)/x are decreasing on (0,infinity).
Take a look at
https://www.wolframalpha.com/input/?i=log(1%2Bx)%2Fx

The plot doesn't help because you can't plot to infinity. But take a look below at the properties. Assuming they didn't make a mistake (you should verify yourself), then pay attention to the derivative and the limit. (And also, compute the limit of the derivative, or as you now have guessed, you could probably ask the site to do that for you.)
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