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 methods are: removing chips from the board and placing them into an expansion board that occupies the chips' original sockets, and: fitting a RAM module in a ROM socket with a flying lead connected to a write signal elsewhere on the motherboard. The 64kB model B+ had 12kB of "special" sideways ram. This used the sideways address but was selected by the high bit of the rom select register and could not be used to load rom images. The 128kB model B+ had an expansion board with 64kB of "regular" sideways ram in addition to the 12kB of "special" sideways