Albers Equal-Area Conic Projection
Let 
be the Latitude for the origin of the Cartesian Coordinates and 
its Longitude. Let 
and 
be the standard parallels. Then
 |  |  | (1) |
 | |  | (2) |
where
 | |  | (3) |
 | |  | (4) |
 | |  | (5) |
 | |  | (6) |
 | |  | (7) |
The inverse Formulas are
 | |  | (8) |
 | |  | (9) |
where
| |  | (10) |
| |  | (11) |
References
Snyder, J. P. Map Projections--A Working Manual. U. S. Geological Survey Professional Paper 1395. Washington, DC: U. S. Government Printing Office, pp. 98-103, 1987.
- Triakis Icosahedron
- Triakis Octahedron
- Triakis Tetrahedron
- Trial
- Trial Division
- Trial Divisor
- Triamond
- Triangle
- Triangle Arcs
- Triangle Center
- Triangle Center Function
- Triangle Coefficient
- Triangle Condition
- Triangle Counting
- Triangle Function
- Triangle Inequality
- Triangle Inscribing in a Circle
- Triangle Inscribing in an Ellipse
- Triangle of Figurate Numbers
- Triangle Postulate
- Triangle Squaring
- Triangle Tiling
- Triangle Transformation Principle
- Triangular Cupola
- Triangular Dipyramid