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Beginning of use of pen and ink marked the start of new era of easier recording of information. Without them, early scientific discoveries would be forgotten and development of humanity would be much slower.
It is easy to write something. But what to do when you make a mistake? Erasers come to the rescue! Since we started to write, we tried to find the way to fix our errors. Until the discovery of the rubber, we used clothes, rocks and even bread. Read more about eraser history, facts and types.
Mechanical pencils are also old invention dating even from 16th century. First ones were relatively simple mechanisms, only to become more complicated with time. Today we have mechanical pencils which can write and draw very precisely.
Digital Pens enable users to digitize their writings instantly on real paper, drawings and quick scribblings, share them online or edit them for professional use. Find out much more about this technology here.