Activity Homepage: http://activities.sugarlabs.org/addon/4293 Sugar Platform: 0.96 - 0.98 Download Now: http://activities.sugarlabs.org/downloads/file/28254/abacus-39.xo Release notes: 39 BUG FIX: * Use set_icon_name in radio buttons (#3976) Sugar Labs Activities http://activities.sugarlabs.org