He became one of the most prolific inventors in the field of mechanical calculators .
It was only in the 20th century that Leibniz 's law of continuity and transcendental law of homogeneity found mathematical implementation ( by means of non-standard analysis ) .
Leibniz became one of the most prolific inventors in the field of mechanical calculators .
It was only in the 20th century that Leibniz 's law of continuity and transcendental law of homogeneity found mathematical implementation ( by means of non-standard analysis ) .