What's New

This app has been updated by Apple to display the Apple Watch app icon.

• Added Night mode.
• Updated the statement of level 3.4.6.
• Fixed bugs.

App Description

Learn how to construct cross sections of polyhedrons. Study different techniques,
train yourself, and then solve geometric puzzles.

> 105 tasks: from basics to challenges
> 12 subjects to explore
> Step-by-step instructions
> 35 geometric terms in a glossary
> Night mode
> Easy to use
> Develops your spatial imagination

*** About ***
XSection is an introduction to solid geometry. It teaches you how to perceive
2D representation of polyhedrons, lines, and planes from 3D Euclidean space.
No calculations, a bit of theory, and a lot of practice.

*** Is this game for you? ***
XSection follows Euclidea/Pythagorea series of geometric games.
With all these apps you can become a real Geometry Guru.

*** All definitions at your fingertips ***
If you forgot a definition, you can instantly find it in the app’s glossary.
To find the definition of any term that is used in conditions of a problem,
just tap on the Question (“?”) button in a problem statement.

*** Main topics ***
> Prisms, cubes, parallelepipeds, and cuboids
> Pyramids and tetrahedrons
> Diagonals of polyhedrons
> Cross sections
> Diagonal sections
> Parallel and central projections
> Method of traces
> Method of inner projection

*** Questions? Comments? ***
Send in your inquiries and stay up-to-date on the latest XSection news at http://www.euclidea.xyz/

iPhone Screenshots

(click to enlarge)

XSection screenshot 1 XSection screenshot 2 XSection screenshot 3 XSection screenshot 4 XSection screenshot 5

iPad Screenshots

(click to enlarge)

XSection screenshot 6 XSection screenshot 7 XSection screenshot 8 XSection screenshot 9 XSection screenshot 10

App Changes

  • March 03, 2016 Initial release
  • March 06, 2016 Price increase: $0.99 -> $2.99
  • March 13, 2016 New version 1.10
  • March 13, 2016 Price decrease: $2.99 -> FREE!

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