Infinity symbol symbol is encoded in Unicode at and in LaTeX as codice_1: formula_4. The Unicode set of symbols also includes several variant forms of the infinity symbol, that are less frequently available in fonts: , and in block Miscellaneous Mathematical Symbols-B. The acid-free paper symbol mentioned above is encoded separately as . Infinity symbol The infinity symbol (sometimes called the lemniscate) is a mathematical symbol representing the concept of infinity. The shape of a sideways figure eight has a long pedigree; for instance, it appears in the cross of Saint Boniface, wrapped around the bars of a Latin cross. However, John
Sideways address space BBC Micro. The Master's slots replace the READY signal with an R/W signal so that RAM can also be plugged into the external cartridge ports. Acorn MOS supports up to 16 Sideways banks. Due to limited motherboard space, extra Sideways sockets were made available by third-party expansion boards. Certain boards, such as the Watford Electronics Sidewise board, also provided the option of permanent, battery backed-up RAM. This allows for developer testing of new Sideways ROM software without burning an EPROM for each attempt. A write-protect switch could be used to prevent the contents of Sideways RAM from being modified. Sideways