Objects in image: Calculator, Office supplies
Text visible in image: ZX8I, 1, 3, 4, PLOT, RETURN, INPUT, POKE, WO, E, R, T-, f, 0, COS, TAN, AND, CHROAD, CODE, AM, SE, DO, K, SCROLL, SHIFT, B, SPACE, INKEYS
Question: what number is the last key on the top row?
Answers: 0, zx81, 0, 0, p, zx81, 1, 0, 0, 0