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2 Table of Contents: “... Paris, Mannheim, Heidelberg: Der Weg zweier Globenpaare durch die Kurpfalz -- 2.1 Herstellung und...”

3 Table of Contents: “... -- 3.6 Bit for bit -- 3.7 Refinements -- 3.8 The ? room in Paris -- 4. Approximations for ?and Continued...”

4 “... to go on leave to the Courant Institute, the other preparing for a research summer in Paris...”

5 “... on Numerical Analysis at the University Pierre et Marie Curie of Paris. It is an extended version of a previous...”