CatalanConstant
Catalan's Constant, approximately 0.915... It is defined to be the series where terms are (-1^k)/((2*k+1)^2), where k ranges from 0 to infinity.
See Mathworld for more information.
EulerConstant
Aliases: gamma
Euler's Constant gamma. Sometimes called the Euler-Mascheroni constant.
See Planetmath or Mathworld for more information.
GoldenRatio
The Golden Ratio
See Planetmath or Mathworld for more information.
Gravity
Free fall acceleration
e
The base of the natural logarithm. e^x is the exponential function exp. This is the number approximately 2.71828182846...
See Planetmath or Mathworld for more information.
pi
The number pi, that is the ratio of a circle's circumference to it's diameter. This is approximately 3.14159265359...
See Planetmath or Mathworld for more information.