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1

You may use the Units & Quantities metric conversions. The quantity system understands metric prefixes, for example "Centi" and "Mega". Therefore you can use TargetUnits if you have Quantity objects for it to convert. A billion in metric prefix is a "Giga". Either the unitless quantity "Unities" or a specific currency like "USDollars" can be used. ...


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Consider using Charting`FindTicks to avoid manually specifying the plot range. billionticks = Map[ Replace[{n_, lbl_} :> {n, If[n == 0, 0, Row[{"$", lbl/1*^9, "B"}]]}] ] @* Charting`FindTicks[{0, 1}, {0, 1}]; BarChart[<|"Bridgewater AUM" -> 1 10^11, "Softbank Vision Fund" -> 1 10^11|>, Frame -> True, FrameTicks -> {{...


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yTicks = {#*10^10, If[Mod[#, 2] == 0, "$" <> ToString[10 #] <> "B", ""]} &/@ Range[0, 10, 2]; BarChart[<|"Bridgewater AUM" -> 1 10^11, "Softbank Vision Fund" -> 1 10^11|>, Frame -> True, PlotLabel -> "Assets Under Management", FrameLabel -> Automatic, FrameTicks -> {{yTicks, Automatic}, {Automatic, Automatic}}, ...


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I'm not sure exactly what you want, but the following creates an ellipse whose size and orientation can be controlled interactively Manipulate[ Graphics[{EdgeForm[Black], FaceForm[], Ellipsoid[{0, 0}, Transpose[ RotationMatrix[θ]].DiagonalMatrix[{r^2, R^2}].RotationMatrix[θ]]}, PlotRange -> {{-2, 2}, {-2, 2}}, Axes -> True, ...


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