dimension Information

Unit BIT            1.0             Information
Unit BYTE           8.0             Bits
Unit BPS            1.0             Bits Per Second    ;Flubbed by physcalc - truncates the plural S
Unit BAUD           1.0             Bits Per Second

let CompactDiskArea := pi * ((5.7 cm) ^ 2 - (2.2 cm) ^ 2)
let CompactDiskInformationDensity := 600 * (1024 * 1024 bytes) / CompactDiskArea