This is a lot of seven vintage calculators. Includes Casio SL-803, Texas Instruments TI-307 +, sharp elsi mate EL- 233s, truly 319-8 in original box, Aurora dual power HC502A, Radio Shack, data memory calculator EC-328 with instruction booklet, and Tech Solutions TS-300 dual power. All are tested and six are working. The truly electronic calculator, I believe just needs a new battery. You will receive all seven calculators.