Archived App (Last seen on 12 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This app shows the result for the relativistic addition of two velocities. v is the velocity of the orange rocket with respect to Earth. u is the velocity of the red rocket with respect to the orange rocket. The relativistic addition is the velocity of the red rocket with respect to the Earth. c is the speed of light. Plus button increases the velocity by 0.01c and minus button decreases the velocity by 0.01c.
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What's New in relativistic velocity addition
1.0
October 17, 2022
