Kjell Winblad

This is a free and open source calculator that is programmed using the Java programming language. It provides users with the ability to perform basic arithmetic operations such as addition, subtraction, multiplication, and division.

This is a free graph editor designed specifically for graph theory applications. It offers a range of features for creating and editing graphs, as well as tools for analyzing and visualizing data. Users have access to a variety of templates and can export files in different formats.

This is a free software designed to help individuals keep track of their time using a diary feature. It allows users to efficiently monitor their productivity and manage time effectively.

This program is ideal for easy language learning as it is simple to use.