Interface Documentation

Window Name
Main Window
Description
Main window of application, allows user to take actions described below.
Sections
Main Section	Section with three main buttons.
Actions
Input Data	Opens the window made to modify input data.
Calculate	Opens the window with plotting options.
Exit	Closes the application.

Window Name
Input Window
Description
Window that allows user to set the input data.
Sections
Nuclear Decay	Section with input data related to nuclear decay: initial number of nuclei and Tau value.
Time	Section with input data related to time period: begining, end and delta.
Numerical Methods	Section that allows user to choose which numerical methods will be used.
Actions
Apply	Saves the given values of input data to proper attributes, then closes the window. If the data are not correct, the window is not closed and error message is displayed in new window.
Cancel	Closes the window without saving the values.

Window Name
Error Window
Description
Window that informs user about error in input data.
Sections
Error Message	Section with dynamically generated error message that highlights the incorrect input data.
Actions
OK	Closes the window.

Window Name
Plotting Window
Description
Window that allows user to choose which type of plot needs to be displayed.
Sections
Main Section	Section with buttons to show various plot types.
Actions
Plot result	Displays the plot with results of nuclear decay problem.
Plot comparison	Displays the plot with comparison of numerical methods.
Plot minimal values	Displays a bar plot with minimal values of numerical methods from comparison.
Plot maximal values	Displays a bar plot with maximal values of numerical methods from comparison.
Plot minimal values	Displays a bar plot with mean values of numerical methods from comparison.
Cancel	Closes the window.

Window Name

Plot

Description

Window that shows the chosen plot. Generated with Matplotlib library with generic sections and actions.