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Charles Xavier Thomas of Colmar

1785-1870 France

under construction

francis de colmar
Thomas of Colmar

principal papers

hardware
arithmometer

software

keywords
arithmometer

related subjects

Achievement

invented a calculator that actually worked: the arithmometer

Biography

 

Chronology

 

Honors and awards

Go BackTime Line Last Updated on July 10, 2004 For suggestions  please mail the editors 

 

Footnotes & References

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