Metrication in the United Kingdom that reported in 1818, and again in Parliament by Sir John Wrottesley in 1824. Another Royal Commission was set up 1838 by Chancellor of the Exchequer Thomas Spring Rice and it reported in 1841 that decimal coinage was required first. A third commission in 1853 advocated decimal coinage in the form £1 : 10 florins : 100 cents: 1000 mils. The first florins (one tenth of a pound sterling) were struck in 1849 as silver coins weighing and having a diameter of . An early supporter of the "Decimal Association" was the mathematician Augustus de Morgan whose articles supporting the
Pound sign a reasonable approximation could be made by typing an "f" over an "L". In the punched card era, equipment sold for commercial data processing in the UK needed not only to represent the pound sign, but also to handle pre-decimal currency (pounds, shillings, and pence, including halfpennies and farthings). On Microsoft Windows, Linux and Unix, the UK keyboard layout has the "£" symbol on the 3 number key and is typed using: On a US-International keyboard in Windows, the "£" can be entered using: On a US-International keyboard in Linux and Unix, the "£" can be entered using: In Windows,