The Ti-84 and why its a computer

The big huge Ti-84 hasn't changed prices since the '80s and is in fact a computer. The Ti-84 takes in user input information from the buttons on it and uses it to compute mathematical problems. Less known things about the Ti calculators are that they are programable. Programs to automatically do the quadratic formula up to entire pokemon games can be programmed into the Ti-84. The Ti calculators shows the calculated information on its display screen. The Ti 84's processor is the Zilog Z80.