MathStudio is now available as a universal app for iPhone, iPod Touch and iPad.  For a limited time buy MathStudio at special upgrade pricing!
Available on the App Store

MathStudio, formerly SpaceTime, is the most comprehensive math app for iPhone and iPad. Whether you need a simple calculator to do your finances or a replacement for your TI graphing calculator, MathStudio is the most powerful and versatile calculator available on the App Store.

WHAT’S NEW IN VERSION 5
• Huge performance improvements
• New and improved interface
• Improved catalog with favorite buttons
• Improved typesetting for prettier results
• Improved and more responsive button pad
• Supports virtual and hardware keyboards directly from the interface
• Supports file sharing through iTunes
• Supports fast app switching
• Much more stable and many big fixes
• Now universal, buy once for iPhone and iPad