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SpaceTime 4.0 is the most powerful math app ever developed for the iPhone and iPod Touch.
Move, pinch and rotate 2D, 3D and 4D graphs in real-time. Explore mathematical concepts in an innovative interface and write your own scripts in our new programming language.
Solve limits, derivates and integrals with MobileCAS®, the first computer algebra system ever developed for iPhone.
With features only available in Mathematica and MATLAB, SpaceTime is the only cross-platform mathematics software available for computers and mobile devices.
 | Supports iPhone and iPod Touch |
Read our review in IEEE Spectrum! |
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2009 Best App for High School+ Kids
Second Place Winner
Download more iPhone and iPod Touch apps at PomApps.com.
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| Wow! by aurorae_borealis |  |
I am so lucky to find this application! I will never use TI-89 again! And the price is unbelievable! And you can do scripts! TI-89 costs over 100 dollars. You can use this application instead! Too bad our professor doesn't let us use phones on test. I will try to convince him by showing this application. SpaceTime is well worth the money.
| Dump your graphing calculator! by Syldaril | |
This is truly an amazing piece of software for the iPhone that could potentially render all the graphing calculators out-there obsolete! I was very impressed with all the graphing features (2D, 3D, 4D, etc) and the powerful CAS loaded with preprogrammed funtions. SpaceTime solves and displays complex expressions in a fashion that reminds me of my TI 92's 'pretty print' mode. I highly recommend this application to every college student and math enthusiast!
| Unsurpassed by UERD | |
This is by far the best calculator (if you can call it that) app on the iTunes app store (as of the beginning of 2009)- it has a featureset comparable to that of an advanced graphing calculator, like a TI-89, but with the benefit of a touch-screen interface and full-color graphics (which are especially nice for 3D plotting). SpaceTime also performs both numeric and symbolic algebra and calculus (including some advanced functions) and supports scripting. If you've used software like Maple or Mathematica, SpaceTime works in a similar function- not quite as feature-rich, but far more than you might expect from a handheld device.
| Simply the best calc app for the iphone by ilachina | |
I used to own a Pocket PC (before it was stolen and I moved to an iPhone). I regretted nothing about moving to an iPhone except having to give up my one truly indispensible application on the PocketPC, namely SpaceTime. I lamented its absence from the iPhone ever since. Now its here and available! It is a programming tour-de-force, and really does provide a substantial subset of the functionality of desktop powerhouses like Mathematica and Maple. To compare it to a "calculator" is somewhat like comparing a racing car to a road bike. Vastly different leagues. It would arguably be worth the "price of admission" if all it offered was its graphing capabilities and nothing else. That it offers everything a conventional scientific calculator does plus a full suite of symbolic algebra functionality is a rich frosting on the cake. I applaud the programming team for developing an extraordinary little program, and for making it available to a broader community. It matches or exceeeds an HP-50g or Ti-89 for pure functionality, yet is offered for a fraction of the cost. If you are an engineer or scientist, or anyone in search of a full function scientific calculator/plotter/symbolic manipulator, you've found your iPhone dream app.
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