- Bin packing problem
Calculator solves bin packing problem by different heuristic algorithms. Created at the request of the user.

Calculator solves bin packing problem with different heuristic algorithms and gives you a best. Created at the user's request.

- Huffman coding
This online calculator generates Huffman encoding for given frequency of occurrence of symbols.

- Levenshtein Distance
Online calculator for measuring Levenshtein distance between two words

- Tips and tricks #8: How to reuse existing calculator
This article describes process of reusing another calculator's logic (algorithm) in your calculator.