let\'s translate to decimal like this:
1∙24+1∙23+0∙22+1∙21+0∙20+1∙2-1+1∙2-2+1∙2-3+1∙2-4+0∙2-5+1∙2-6 = 1∙16+1∙8+0∙4+1∙2+0∙1+1∙0.5+1∙0.25+1∙0.125+1∙0.0625+0∙0.03125+1∙0.015625 = 16+8+0+2+0+0.5+0.25+0.125+0.0625+0+0.015625 = 26.95312510
got It: 11010.1111012 =26.95312510