by Wolfram Group LLC
Download this app if: you need to calculate how long your skin can be exposed to the Sun.
The Wolfram Sun Exposure Reference App is your ultimate beach essential this summer and all year! It calculates how long your skin can be exposed to the Sun without burning based on your skin type, location, time, and the level of Sun protection factor (SPF) you might be using. You can also...
Keep safe — Answer some basic questions and this app helps predicts how long until your skin will fry in the sun.