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 1d revised Can there be a numerical system in which logarithms can be expressed in terms of exponentials in closed form? added 54 characters in body 1d revised Can there be a numerical system in which logarithms can be expressed in terms of exponentials in closed form? added 1 character in body 1d comment Can there be a numerical system in which logarithms can be expressed in terms of exponentials in closed form? @Ben McKay fine, I would not expect it to be an algebraic extension. By "numerical field" I understood a field that would have the majority of properties of real/complex numbers (that is commutativity and associativity of multiplication etc). At least what allows to call say, hyperreal numbers still "numbers". 1d comment Can there be a numerical system in which logarithms can be expressed in terms of exponentials in closed form? @Ben McKay what you are saying is interesting. Will this extension satisfy the usual notions of a "numerical " field? Is it possible to somehow derive other algebraic properties of such extension? 1d asked Can there be a numerical system in which logarithms can be expressed in terms of exponentials in closed form? Apr 24 comment Non-standard numbers and exponential form of Zeta function @მამუკა ჯიბლაძე moreover, it can be deduced that $$\sum_{n=0}^\infty \frac1{n+1}=-\ln \omega_+$$ which explains why Harmonic series has Euler-Masceroni constant as its Ramanujan's sum. Apr 14 revised Classifying countable sets of weighted dots on a real line added 171 characters in body Apr 11 comment Classifying countable sets of weighted dots on a real line @Vidit Nanda I am thinking about a numerical system that would extend the real numbers, each class would correspond to an extended number. There would be rules on arithmetical operations, for instance, multiplication goes as follows: put two real axes perpendicular to each other with sets of the classes you intend to multiply and draw the lines parallel to the axes over all the dots. Find the intersection dots on the plane and put them on a new real axis in order according to the greatest coordinate, multiplying weights in process. The class of this new set will be the product. Apr 11 revised Classifying countable sets of weighted dots on a real line added 9 characters in body Apr 11 revised Classifying countable sets of weighted dots on a real line added 49 characters in body Apr 11 comment Classifying countable sets of weighted dots on a real line @Vidit Nanda you can move all the negative dots to the symmetric positive positions (where they would coincide with existing dots, you can sum up the weights), you can move the dot from zero (and other finite amount of dots ) freely wherever you want it. Apr 11 comment Classifying countable sets of weighted dots on a real line @Yaakov Baruch I have added a rule for accumulation points, second from the end. Apr 11 revised Classifying countable sets of weighted dots on a real line added 123 characters in body Apr 11 revised Classifying countable sets of weighted dots on a real line deleted 295 characters in body Apr 11 revised Classifying countable sets of weighted dots on a real line added 99 characters in body Apr 11 comment Classifying countable sets of weighted dots on a real line @Yaakov Baruch what about cases without accumulation point? Apr 11 revised Classifying countable sets of weighted dots on a real line added 114 characters in body Apr 11 revised Classifying countable sets of weighted dots on a real line added 10 characters in body Apr 11 asked Classifying countable sets of weighted dots on a real line Feb 18 awarded Necromancer