diff --git a/source/2/2.4/2.4.3/Qalculate.rst b/source/2/2.4/2.4.3/Qalculate.rst
index f0eef67b..cecd49a2 100644
--- a/source/2/2.4/2.4.3/Qalculate.rst
+++ b/source/2/2.4/2.4.3/Qalculate.rst
@@ -5,6 +5,7 @@ Qalculate! is the default calculator shipped in Lubuntu since 25.04.
 
 Usage
 -----
+To do simple aritmatic computations type the numbers into the field just below the toolbar. To start a calculation press :kbd:`enter` or press the :guilabel:`=` button. To add multiple numbers press :kbd:`+` or click the :guilabel:`+` button. To subtract two numbers press :kbd:`-` or click :guilabel:`-`. To multiply two numbers press :kbd:`*` or click :guilabel:`x`. To divide two numbers press :kbd:`/` or click the :guilabel:`/` button.
 
 Version
 -------