Moving between fields
Mouse: Just Click in the field & Button.
Keyboard: Need to use the tab key to go in the next field. Forgoing to previous field shift-tab Need to use.
Mouse: The “Calculate" button Needs to Click. Keyboard: Highlight the Calculate Button and Press Enter.
The calculation result appears in the right side text field for every calculation. If there are unexpected values or if there any other error, the result field will be empty and the borderline of the field that containing error will be red.
An only dot(.) can be used as a decimal separator.
We do not allow any thousand separators.