Editing 1677 in science (section)

==Mathematics==
* [[Gottfried Wilhelm Leibniz]] gives a complete solution to the [[tangent problem]].<ref>{{cite book|last=Kreyszig|first=Erwin|title=Differential Geometry|isbn=978-0-486-66721-8|year=1991|publisher=Courier Corporation}}</ref>
* Publication of ''[[Cocker's Arithmetick]]: Being a Plain and Familiar Method Suitable to the Meanest Capacity for the Full Understanding of That Incomparable Art, As It Is Now Taught by the Ablest School-Masters in City and Country'', attributed to [[Edward Cocker]] (died 1676). It will remain a standard [[grammar school]] textbook in [[England]] for more than 150 years.<ref>{{cite book|last=Yeldham|first=Florence|title=The Teaching of Arithmetic Through Four Hundred Years (1535–1935)|location=London|publisher=Harrap|year=1936|oclc=152432557}}</ref>