 Programs, variables, data, and other items can be exchanged from one calculator to another (via SB-62 cable) and to and from a computer (via USB cable).All new models of Casio graphing calculators have both ports and include both cables.The Casio calculators, as with those of many of the other big three manufacturers' machines, can acquire data from instruments via a data logger to which probes for temperature, light intensity, pH, sound intensity (dBA), voltage and other electrical parameters, as well as other readings, and custom probes to attach to the data logger  can be built and configured for use with the data logger and calculator.