# Re: [physicsnorthyork] Physics App

 From: David Sent on: Sunday, December 1, 2013 11:08 PM
It looks like the Apple istore wants \$2.99 for Woolfralpha?
Sent from my iPod

On[masked], at 16:34, Wayne McCracken <[address removed]> wrote:

Neat program Larry. I hadn't herd of it before. It is now installed on my phone.

Wayne

On Sun, Dec 1, 2013 at 3:04 PM, Larry Smith <[address removed]> wrote:
I really hate to rain on the parade here, but WolframAlpha does much (most?) of what this does (and much more), and it's free.

See the main page at http://www.wolframalpha.com/ (click the Examples link), and on the About page (www.wolframalpha.com/about.html), click the Take the Tour link in the upper right corner. Also the video and FAQ links near the bottom right.

Disclaimer -- Physics Tutor isn't a free app, so I didn't download and try it. I did look at (most of) the YouTube video.

To be honest, I wasn't blown away by it. For example, they show a definition for the Laws of relection, but they (and many (most? all?) others)  really need diagrams (and better yet, videos) showing what the pieces really are. For example, for those trying to learn, what's an "incident ray"? And what's this "normal" that it makes an angle with?

And pardon the nitpicking, but when he "solves" a wave equation, it's not solving, it's mere calculation. If (to take a trivial example) "x = a + b", and it prompts you for a and b, is this being "solved" for x? Not really, the way I normally use the word "solve". Much more powerful would be if you could write (again, taking a trivial example) "3 = 7 + x" and get the answer "-4" (which Wolfram Alpha would actually solve).

And Wolfram Alpha supports natural language input. Typing in "length of pendulum with period 2.7 seconds" gives a length of 181.1 cm (which equals 5.941 feet equals 5'11.29"), a frequency of [masked] Hertz, and a maximum speed of 146.4 cm/s (3.274 mph = 5.269 km/h).

And check out the examples for, among other things, 3D plotting, that you can dynamically rotate with your mouse.

Is there anything in the YouTube video that I liked? I suppose the "bicycle training wheels", prompting you for each parameter in complex formulae might be handy for rank beginners. But if you're playing with formulae this complex (other than a grotesqueness factor in the first day or three), then you should be able to plug in the values without the handholding.

Hey, if Physics Tutor helps you, then go for it. It's certainly priced right. But otherwise I can't overly recommend it, given the competition.

On 11/30/[masked]:51 PM, Arjun S Bharadwaj wrote:
Hello Physicists,

We've created an educational app called Physics Tutor - Full for people who are new to Physics. This app also helps advanced users to do the calculations faster. The app has the following features:

1. Equations Calculator for over 170 equations covering over 20+ topics in Physics.
2. 160+ Definitions covering all the topics.
3. Descriptions for all the Units and Lessons.
4. Wiki pages for all the Units and Lessons inside the app.
5. Equations List for all the formulae.
6. Clipboard support for all the Equations and Results.
7. Optimisation for Tablets.
8. Graphing tool to plot graphs of all the equations.

The latest version (Einstein) has included Dynamic Graphs that aids one to learn Physics Concepts. These graphs are generated by the student's input and are not static. The student can clearly see how a Physical Quantity varies with other Physical Quantity in real time.

Below is a link to the video of the App:

Below are some of the screenshots of the app:

<mime-attachment.png><mime-attachment.png><mime-attachment.png><mime-attachment.png><mime-attachment.png><mime-attachment.png><mime-attachment.png><mime-attachment.png><mime-attachment.png>

This app is part of Google Play for Education. It can be downloaded at https://play.google.com/store/apps/details?id=com.edu.asb.highschoolphysicsfull from the Google Play.

Please try this app and provide your feedback on the same. Hope this app helps more people to get interested in Physics!

Regards,
Arjun S Bharadwaj
http://in.linkedin.com/in/arjunsbharadwaj

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