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Physics 101 SE is a dynamic companion for students of Physics.

As demonstrated by Apple's own Phil Schiller, this is the perfect solution for physics students and teachers everywhere. Physics 101 SE is the premier physics calculation tool allowing you to focus on physics and not mathematical tedium. With its ability to instantly solve for almost any variable in over 150 of the most commonly used formulas organized within twenty-four sections, and the ability to solve for variables within most of those formulas you will quickly get through problems.

  • 150 Physics Equations organized in more...

What's New

Version 8.0: Release notes were unavailable when this listing was updated.


Mac OS X 10.4.4 or later

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Physics 101 SE User Discussion

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Outer Member IconReview+118

I have also experienced total unresponsiveness from PRAETER with regard to licensing issues. It was easier to buy a new license - instant response! - than to get any reply to my questions about prior licensing from the developer. Go figure. But then again, I bought a new license. Just don't expect any after-sale support.

Reply0 replies
Version 8.0
Praetersoftware Member IconComment+2

The customer was given a re-download link.

Reply0 replies
Version 7.5
foertter Member IconReview+4

I used this for my tutoring sessions since it gave me instant ability to show what happens... until I upgraded my laptop and had to re-download the software. Not only was the old version unavailable, but my pass didn't work with the new one. When I bought I new SN through the paypal option, I never got it sent via email. Over 5 emails have gone unanswered by the developer... Bad business and a very unhappy customer.

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Version 7.0.2

We have no record of your name or emails regarding your purchase of Physics 101 SE. We send out the serial number and download for each PayPal order very quickly, usually within an hour or two. As outlined in our FAQ, we can link you to downloads free of charge when needed. You just need to email us at support@praetersoftware.com

Again, we want you to be happy with your purchase and we always make every attempt to get it to our customers as quickly as possible. Please contact us at support@praetersoftware.com


The developer has remedied the issue and all is well again. Thanks to the folks at Praeter for getting me back to my tutoring and creating this really wonderful program. Server issues is what was preventing them from supporting and that is understandable.

Thanks again guys.

johanpavel Member IconComment+0

I had this gem a few years ago but lost it through OS X uninstalls and reinstalls. I forgot what a great app it really is. I did not have this as a student
but I get much, much more than my money's worth from it, as a useful, convenient tool and a pleasant diversion away from work.
This is an indispensable item, at an absolutely incredible price. Thank you Praeter Software!

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Version 5.1.1
Section8 Member IconReview+78

Unbelievable piece of software. Priceless tools and an enormous help. Thank you!

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Version 5.1
strongmantim Member IconReview+2

The old YP is a joke compared to this! Each of the YP apps (or whatever they were called) cost a significant amount of money and were never ported to OS X. My opinion? Who needs 'em?!

I've been using it since 1.0 and can't imagine using anything else. Keep up the awesome work Praeter!

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Version 5.1
Anonymous Member IconReview

Really great application - very useful as a reference tool for equations with a very clean interface. My compliments to the developer for spending the time to create this great app.

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Version 4.1D
Anonymous Member IconReview

The uber physics program. I love it. I found a problem with having "tabbing through the interface" enabled in 10.3 (panther). If you try tabbing through the fields, you cannot enter anymore info and have to restart the app. disabling tabbing in the system prefs fixes it, though. I let the developer know of the problem and he updated the FAQ on the site immediately. Great app.

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Version 2.1
Anonymous Member IconReview

Great for Physics Work, Saves alot of checking work time

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Version 1.1.1
Anonymous Member IconReview

An ideal application for a normal Physics student

Reply0 replies
Version 1.0.1
user icon+6
Version 8.0d
> 3 8


Current Version (8.x)


Downloads 16,269
Version Downloads 142
License Demo
Date 24 May 2011
Platform OS X / PPC 32 / Intel 32
Price $4.95
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