Geometry

Triangle (Version 1.0: 12'572 bytes / ZIP file: 4'291 bytes)
Conic section (Version 1.5: 11'387 bytes / ZIP file: 3'781 bytes)
Vector geometry pack (Version 1.1: 21'919 bytes / ZIP file: 6'153 bytes) includes:
Distance point-point (Version 1.2)
Distance point-line (Version 2.3)
Distance point-plane (Version 2.0)
Distance line-line (Version 2.3)
Distance line-plane (Version 2.1)
Distance plane-plane (Version 2.1)
Intersect line-line (Version 2.3)
Intersect line-plane (Version 2.1)
Intersect plane-plane (Version 2.1)
Intermediate angle (Version 1.0)
3 points->plane (Version 2.0)
Convert plane (Version 2.0)

Algebra

Reflection (Version 2.0: 6'012 bytes / ZIP file: 2'725 bytes)
Convert parabola (Version 1.1: 1'313 bytes / ZIP file: 935 bytes)
Shift parabola (Version 1.1: 1'523 bytes / ZIP file: 1'046 bytes)

Strength of materials

Moment of inertia pack (11'756 bytes / ZIP file: 6'055 bytes) includes:
Center of gravity (SPKT Version 2.2)
Circle input (KREISINPUT Version 1.0)
Function input (FKTINPUT Version 1.0)
Point input (PKTINPUT Version 1.0)

Programs which I got from other HP programmers

Physical properties of water and steam (Version 1.0) by Stefan Guepfert (ZIP file: 2'976 bytes)

Calculates the physical properties of water and steam under saturated conditions
E-mail address of the programmer: stguepfert@datacomm.ch

Polynomial lib (Version 5.0) by Apolonio Francisco Gonzalez Herrero (ZIP file: 41'852 bytes)

E-mail address of the programmer: apolo@aula.eis.uva.es

Intelligent solver (Version 7.1) by Lorenzo Bozzola (ZIP file: 25'303 bytes)

E-mail address of the programmer: lordbozz@tin.it

Transmission line analysis (Version 1.0) by Davide Valenti (ZIP file: 3'438 bytes)

E-mail address of the programmer: davvalen@novanet.it