This article describes the process of adding translation support to the calculator, so it can be translated into different languages.

This article describes the process of adding custom errors to the calculator

This article describes how to make calculator which outputs results in table format

This article describes how to control visibility of input and output controls in a calculator

This online calculator can decode messages written with Bill's symbol substitution cipher

The online calculator lists the languages spoken in a given country.

The Language Speakers by Country Calculator allows the user to select a language from a list and displays a table of countries where the selected language is spoken along with the number of speakers and the fraction of the total population.

The calculator displays all the letters of a given language.

This online calculator selects nouns based on word length (the number of letters in a word) and the known location of some of them. The calculator can be useful for both solving and creating crossword puzzles.

This online calculator selects nouns based on word length (the number of letters in the word) and the known location of some of the letters. The calculator can be useful both for solving and creating crossword puzzles.