Arithmetical symbols are written diagrams and geometrical figures are graphic formulas.


Bulletin of the American Mathematical Society, Mathematical Problems, Volume 8, July 1902 (p. 443)


Arithmetical symbols are written diagrams and geometrical figures are graphic formulas.

Arithmetical symbols are written diagrams and geometrical figures are graphic formulas.

Arithmetical symbols are written diagrams and geometrical figures are graphic formulas.

Arithmetical symbols are written diagrams and geometrical figures are graphic formulas.