The Unit Converter app: easy, immediate and multi-platform.
纳斯克
係一個應用程序，你可以喺其中像正常人一樣進行數學運算。 它可以讓你輸入任何你想要嘅嘢，並聰明地弄清楚乜嘢係數學，並喺右邊嘅窗格中吐出一個答案。 然後，您可以將這些答案代入未來的方程式中，如果該答案發生變化，則使用它的方程式也會發生變化。
石春
An easy to use yet powerful calculator app
克布鲁奇
KBruch is a small program to practice calculating with fractions and percentages. Different exercises are provided for this purpose and you can use the learning mode to practice with fractions. The program checks the user’s input and gives feedback.
Qalculate
Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).
侏儒計算器
Calculator is an application that solves mathematical equations and is suitable as a default application in a Desktop environment.
自由辦公室
LibreOffice is a powerful and free office suite, used by millions of people around the world.