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7 Excel functions you should learn beyond SUM and VLOOKUP

Mastering Excel goes far beyond SUM and VLOOKUP. By learning functions like COUNT, AVERAGE, SUMIF, SUBTOTAL, XLOOKUP, and INDEX/MATCH, you can find opportunities to improve your Excel sheet. Some ...
Nature

(1) An Introduction to the Study of Geometry (2) Elementary Geometry (3) Geometry for Technical Students (4) Graphs and Imaginaries (5) Five-figure Tables of Mathematical ...

(1) MR. Pressland adopts the heuristic method in this course of experimental geometry for beginners. The first exercises only require the use of a pencil and a graduated straight edge cut from ruled ...