A Java library for technical analysis
FAIR Chemistry's library of machine learning methods for chemistry
Evaluador de expresiones matemáticas para Java en español
Command-line calculator and libray.
A suite of RPN calculators and a class library for Object Pascal
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Frevo is probably the simplest tool for evolutionary design
java library for XML, HTML, or SVG generation + bioinformatics classes
NMEA 0183 library for Java
A C library for parsing/normalizing street addresses around the world
Java language binding for the GNU Linear Programming Kit (GLPK)
An Efficient Binary data Format
Mathematical expression parser and evaluator for .NET
A library to generate short codes
A java infix evaluator based on "Shunting Yard" algorithm.
Multi-platform API for Image Processing systems in Life Sciences
ultimative units calculation and conversion tool and library
Java-based scientific graphics