computers and computer software used for graphical display and the mathematical manipulation of timeline, demographic, environmental, financial and reference data

computers and computer software featuring databases in the fields of demographics and human development (including world population, speed of human travel, communication between two remote humans, accumulative total of aids cases reported); world energy consumption; world surface temperatures; nuclear weapons testing; atmospheric composition change; atmospheric CFC concentration; stratospheric ozone; geophysical phenomena; the silicon electronic revolution; consumer price indexes; exchange ra...