Mastersoft Scientific Calculator (P800/P900) Cost: $14 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Mastersoft Scientific Calculator (P800/P900): About Scientific Calculator for Sony Ericsson P800: Scientific Calculator is a multi function calculator for your Sony Ericsson P800. We will add new features based upon your feedback and all updates are free. Also available as part of the Professional Power Pack for Sony Ericsson P800.