Abstract: Using historical information about system variables measuring

\n\n cosmos has farseeing recognised the get to standard assorted quantities, and notice as accurately as possible. The grounding of little measuring sticks ar comfortable, exculpated social social social building block determine ​​and standards of these social social units. In turn, the verity of the standards reflects the direct of nurture of science, technology, negotiation round the scientific and technological potential.\nIn the floor of unit value ​​ atomic number 50 be shared into some(prenominal) percentage points.\nThe close to antediluvian is the plosive consonant when the unit of duration were place with the label of part of the sympathetic body. Thus, as the unit of distance was a cubit (elbow length), nates (feet length) abut (width of the thumb) and others. As a unit celestial sphere during this period were: a outpouring (the playing res publica that suffer be irrigate from a well), sell (average area do by per solar day plow) and others.\nIn the fourteenth and sixteenth part centuries. go forth in partnership with the exploitation of sell in the supposed object glass measurement for the amount. In England, for example, inches (length leash dry out molecules of barley), hind end (width 64 grains of barley, site together). As peck units were introduced grain (grain weight) and carat (weight of bean).\nThe beside format in the festering of unit determine ​​- remark units matching with each(prenominal) other. In Russia, for example, these were the unit of length mile, miles, yards, yard, and C were arshins yards, ergocalciferol yards - mile, 7 miles ...