example: to convert one foot into metres
in the box below the "from" box tap the little black triangle
a pop-up section appears on the phone
scroll down to the word "foot [ft]"
tap the empty circle that is to the left of the word "foot [ft]"
a large black dot appears in the circle
then tap the word "done"
the original page you started from will now be showing
tap the box below the word "from"
the keyboard will appear
now tap the number 1
the conversion programme will automatically show the result in the "to" box and in the "result" box below the "from" and "to" boxes