The use of odd numbers of fingers in FBD (finger bag design) is based on ergonomic principles and efficiency in grasping and manipulating objects. Odd numbers of fingers provide a more stable grip and better distribution of force, reducing the risk of dropping items. Additionally, odd numbers allow for a more natural hand position and better coordination between fingers when performing tasks. This design choice maximizes dexterity and precision in handling objects within the finger bag.
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yes, in ancient times people used the tip of their finger to measure out an inch. they also used the length from the tip their finger to the other tip of their finger to measure the persons height.
Prime numbers are used to find the LCM of numbers Prime numbers are used to find the HCF of numbers Prime numbers are used to simplify fractions Prime numbers are used to find the LCD of fractions
because humans have 10 fingers, in olden days they used to count using their fingers
They used their brains - and fingers!
It is difficult to imagine counting without numbers, but there was a time when written numbers did not exist. The earliest counting device was the human hand and its fingers. Then, as larger quantities (larger than ten human-fingers could represent) were counted, various natural items like pebbles and twigs were used to help count. Merchants who traded goods not only needed a way to count goods they bought and sold, but also to calculate the cost of those goods. Until numbers were invented, counting devices were used to make everyday calculations. The abacus is one of many counting devices invented to help count large numbers.