All articles ← Knowledge Base Android installation notes and potential issues Bug / All / problem reporting tips Bug / All Versions / Imperfect level definitions Bug / All Versions / Island locked but I completed all levels in the previous one Bug / All Versions / Saving profiles in chapter 4 Bug / Android / DragonBox 5+ unusable after upgrade to ICS Bug / Android / Installation failed: "Failed to install on phone or external SD card" Bug / Android / Screen orientation issue on some phones (HTC Desire / HTC Detail / etc) Bug / IOS / No sound Bug / Math Contradictions Bug / The game or the phone is unresponsive. How do I fix it ? Bug / Windows / problem reporting tips Bugs / IOS / DragonBox Algebra 5+ doesn't work on IOS 5.1.1 Bugs / IOS / DragonBox unusable after upgrade to IOS 5 Classroom Management DragonBox Algebra Product history DragonBox EDU System Requirements DragonBox helper codes DragonBox on Chromebooks Future DragonBox releases General DragonBox Manual How can I stay updated about your products ? How do I solve level ... ? How do i start the game after creating an avatar How to add students to a class How to connect to an existing school or organization How to set up a school or organization How to sign up for Teacher Access I want more! I want to help! I would like a refund! Is there a hint/help section for DragonBox Algebra 5+? No sound in apps on iOS PC version for DragonBox 12+ Report a hardware related problem Reporting problems with DragonBox EDU Switching or Multiple Devices System requirements The Unity WebPlayer plugin Translators Welcome! Use of dragons, pentagrams and other pagan symbols Volume Purchase for schools Welcome To DragonBox EDU! WeWantToKnow Store WeWantToKnow Store Example Purchase What else is in the works ? What is the difference between DragonBox 5+ and DragonBox 12+ ? What permissions are required on Android ? Where is the Math ? Where to buy DragonBox for Android Why does DragonBox use a dot (.) for multiplication ?