 
 <prompt> Wetin no be type of aid between clay spheres, grains and cones? Given the previous question, write a context wey contain the answer. E fit be 1 - 20 sentences. Context: <response>: ```Devices don dey use to help with calculation for thousands of years, mostly using fingers for one-to-one correspondence. The earliest counting device fit be form of tally stick. Later record keeping aids for inside 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.``` 