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Nov
29
awarded  Critic
Nov
29
revised fast mental arithmetic: is it an algorithm or table-like structure?
added 231 characters in body
Nov
29
accepted fast mental arithmetic: is it an algorithm or table-like structure?
Nov
29
comment fast mental arithmetic: is it an algorithm or table-like structure?
stripping the fluffly the question was "When solving problem X by heart, how does the mind reaches the solution very fast? by 'running' an algorithm or 'accessing' a table".
Nov
29
comment fast mental arithmetic: is it an algorithm or table-like structure?
thank you for the reference!
Nov
29
comment Math route for someone of this background
what books you suggest for combinatorics and probability (elementary level)?
Nov
29
comment fast mental arithmetic: is it an algorithm or table-like structure?
I surely know that @UserX, but I see this tendency on very good "math heads" of dealing very fast with say.. numbers, proportions, relationships, etc. If they lack mental arithmetic skills, they sure have some of the others laying around
Nov
29
asked fast mental arithmetic: is it an algorithm or table-like structure?
Nov
9
awarded  Curious
Nov
8
accepted basic proportions, why the results are inconsistent?
Nov
8
asked basic proportions, why the results are inconsistent?
Sep
24
awarded  Autobiographer
Jun
18
awarded  Popular Question
Jun
17
accepted how to see the logarithm as the inverse function of the exponential?
Jun
17
awarded  Commentator
Jun
17
comment how to see the logarithm as the inverse function of the exponential?
but I can't still see the connection that does the actual "undoing"...
Jun
17
asked how to see the logarithm as the inverse function of the exponential?
Apr
23
accepted How to get a top-notch Math education (high school level) online?
Apr
10
accepted Coefficient of variation - Help me decode this text
Apr
7
asked probability: when to multiply when to add?