Resources -> Calculators
We've found the various calculators below very useful
during our research and development activities.
History of the Calculator (Wikipedia)
Google's Text Based Calculator
Massive collection of online calculators
(mathematics, statistics, engineering, scientific, aeronautical,
navigation, meteorology, geosciences, chemistry, metals & alloys,
radiation, physics, astrophysics, astronomy, solar/wind, and lots
(basic, scientific, square root, circle, prime number, quadratic
equations, trigonometry, probability, finance).
Calculate the Circumference of a Circle