A basic reference chart used for consumers to spot suspicious moles is found in the mnemonic A-B-C-D, used by institutions such as the American Academy of Dermatology and the National Cancer Institute.

BarCharts, based in Boca Raton, Florida, makes the QuickStudy line of laminated reference charts.

A bacterial reference chart is used to determine the number of bacteria in the sample.

The operator can then verify the level of match between the colours on a reference chart and the colours seen through the imaging system.

Quick reference charts list general conditions, such as water temperatures, visibility, "must sees," strong currents and travel advice.

They provide the file designer with reference charts for buckets of size one and ten records, and can be used to predict the rates of deterioration of any access frequency loaded file using the given bucket sizes.

Analemma Sundial Applet - includes lots of reference charts.

The corridor was as functional as the living quarters; reference charts and maps papered the walls up to the height of a tall man's eye level.

Computerized ordering systems can deal with tax rules far more easily than workers using typewriters and reference charts.

In addition to counters depicting various nationalities and boards, a small 20 page rules booklet, pair of quick reference charts, and two dice are included.