What mathematics were used in the develpment and usage of the greek gnomon?

Question by sayamo89: What mathematics were used in the develpment and usage of the greek gnomon?

I need to know what different types of math were used in the Greek gnomon and how each type of mathematics was used.




Best answer:

Answer by santosh_musicman
I think its plain Geometry.

The gnomon is the part of a sundial which casts the shadow. Gnomon is an ancient Greek word meaning "indicator", "one who discerns," or "that which reveals." In the northern hemisphere, the shadow-casting edge is normally oriented so that it points north and is parallel to the rotation axis of the Earth. That is, it is inclined to the horizontal at an angle that equals the latitude of the sundial's location. On some sundials, the gnomon is vertical. These were usually used in former times for observing the altitude of the sun, especially when on the meridian. The style is the part of the gnomon that casts the shadow. This can change as the sun moves. For example, the upper west edge of the gnomon might be the style in the morning and the upper east edge might be the style in the afternoon.

The art of constructing a gnomon sundial is sometimes termed gnomonics.

Gnomon may also imply the design paradigm relationship between an indicator and a dial or other reference, as with a speedometer and needle. In this case, the needle functions as a gnomon against the incremented speedometer background.

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