PGAGetRealFromGrayCode(1) on Linux

The text 4be942963eb1, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it. The page shows this text now.

interpets a binary reflected Gray code sequence in a binary string as encoding a real value and returns the real value it represents.