A pneumatic radial tire includes a bead portion having a plurality of bead cores, and one or plural radial carcass plies wound up from a tire inner side toward an outer side at the respective bead cores. When the operator operates on cursor key, the pointer moves, and when the operator operates a determination key at two different pointer positions, a rectangular frame is formed. The temperature chamber is connected to the oil circuit for lubricating the engine. The data read from the DRAM devices may be reordered to make the data more suitable for processing by applications.