REBOL [ Title: "Temperature Converter" Date: 27-May-2007 File: %f-to-c.r Author: "Nelson Benavides" Purpose: "Practicing Rebol/View" Email: %nelsonbenavides22--gmail--com library: [ level: 'beginner platform: 'all type: 'tool domain: 'gui tested-under: [view 1.3.2.3.1 on "Windows XP"] support: none license: none see-also: none ] ] convert: does [ temp: to-integer fahr/text celsius: (temp - 32) / 1.8 celsius-f/text: round/to celsius .05 ;shows the result with two decimal places show lay ] lay: layout [ backdrop effect [gradient 1x1 190.0.0 0.0.100] title orange "Temperature Converter from Fahrenheit to Celsius" bold italic underline across tabs 145 text font-size 15 yellow "Please enter the temperature in Fahrenheit: " bold fahr: field 50 edge [size: 4x2] tab button "Show Celsius" [convert] return tab tab tab button "Clear" [clear-fields lay show lay focus fahr] return tab tab tab button "Close" [quit] return text font-size 15 yellow "The temperature in Celsius is: " bold return tab tab celsius-f: area 200x70 font-size 50 font-color green colors none edge none return ] focus fahr view lay