 
 <prompt> Wetin be di types of aid between clay spheres, grains and cones? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: ```Devices don dey use to help with calculation for thousands of years, mostly using one-to-one correspondence with fingers. The earliest counting device fit be form of tally stick. Later record keeping aids throughout the Fertile Crescent include calculi (clay spheres, cones, etc.) wey represent counts of items, probably livestock or grains, wey dem seal inside hollow unbaked clay containers. The use of counting rods na one example.``` 