Bibhorrmetry is a mathematical system that substitutes conventional trigonometry. Attributed to an Indian aerospace engineer Bibhorr, the concept of Bibhorrmetry refers to the study of trigonometry deprived of trigonometric functions.
Bibhorrmetry is primarily grounded upon three basic notions:
- Shrav: The longest side of a right triangle that lies opposite to 90°. This is the Hypotenuse in conventional trigonometry. This is represented by श्र.
- Lambu: The longer side of the two mutually perpendicular sides. This is represented by लं.
- Chhutku: The shorter side of the two mutually perpendicular sides. This is represented by छ.
- Bibhorr angle: The angle that lies opposite to the lambu is called Bibhorr angle; denoted by बि.
- Ubhorr angle: The angle that lies opposite to the chhutku is called Ubhorr Angle; denoted by ऊ.
In Bibhorrmetry, Bibhorr Vakra and Kālpanik Vakra are the names of the arcs that are equal in length but have different radii and angle.
The arc spanning between shrav of a right angle triangle and the extension of chhutku is called Bibhorr Vakra. The length of the Vakra is represented by ब. It is the product of Bibhorr angle बि and shrav श्र.
An imaginary arc which is considered to be in equal length with the Bibhorr Vakra is termed as Kālpanik Vakra. This arc is used as a reference for the evaluation purposes. The Vakra length is represented by क. This arc is the product of Bibhorr Sthiron सि and Bibhorr Leek ल.