The RAND function returns numbers from the interval [0,1), and if you need to generate numbers from another interval, you should use the following formula: =RAND() * (bâa) + a. This will return random numbers from the interval [a,b) - greater than or equal to a, and less than b.
At the time, 5.4 was made available as a beta release alongside the stable 5.3.4 release. Now that 5.4 has become the latest stable Unity release, it seems the company intends to keep the program going a beta version of Unity 5.5 is slated to debut in the near future. source.
Unity Web Player. Unity Web Player has tested clean of viruses and malware. We last tested the this file on Jan 17, 2015 with 20 different anti-virus and anti-malware programs and services. Out of these tests, the Unity Web Player download tested clean 100% of the time. According to the antivirus software we tested the file with, Unity Web Player does not contain any malware, spyware, trojans or viruses and appears to be safe. It is important to note that these virus and malware test results only apply to this version of the program.