You can also specify additional variables by which to group, subgroup, or sum the data. All bar charts allow grouping, which uses an additional category to organize the bars into groups, and ...

I first saw 2D bar codes in Britain in 2002. I loved how simple the concept seemed and how seamlessly the process worked when demoed to me on a Sony Ericsson T68i mobile phone, with a camera ...

AT&T is launching a charter program in the coming weeks to test the use of 2D bar code scanners on the carrier’s mobile devices. The charter program is being launched to test consumer response ...

Excel offers many different chart types—including column and bar graphs—to present your data ... click "Insert," and choose the "2D Clustered Column" option. This produces a neat chart ...