An E chart, also known as a tumbling E chart, is an ophthalmological chart used to measure a patient's visual acuity. This chart is useful for patients...

A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who...

acuity. The Snellen chart is the most widely used. Alternative types of eye charts include the logMAR chart, Landolt C, E chart, Lea test, Golovin–Sivtsev...

40 of the R&B chart. Sheila E. later served as Prince's percussionist and musical director during his tours from 1987 to 1989. Sheila E. has appeared...

pie chart (or a circle chart) is a circular statistical graphic which is divided into slices to illustrate numerical proportion. In a pie chart, the...

Chartism was a working-class movement for political reform in the United Kingdom that erupted from 1838 to 1857 and was strongest in 1839, 1842 and 1848...

bidental fricative [h̪͆] IPA vowel chart with audio IPA consonant chart with audio International Phonetic Alphabet chart for English dialects Extensions...

A Gantt chart is a bar chart that illustrates a project schedule. It was designed and popularized by Henry Gantt around the years 1910–1915. Modern Gantt...

The UK Singles Chart (currently titled the Official Singles Chart, with the upper section more commonly known as the Official UK Top 40) is compiled by...

A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that...

A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed...

An organizational chart, also called organigram, organogram, or organizational breakdown structure (OBS), is a diagram that shows the structure of an...

Control charts are graphical plots used in production control to determine whether quality and manufacturing processes are being controlled under stable...

The Official UK Albums Chart is a list of albums ranked by sales and audio streaming in the United Kingdom. It was published for the first time on 22...

chart is also known as web chart, spider chart, spider graph, spider web chart, star chart, star plot, cobweb chart, irregular polygon, polar chart,...

A chart datum is the water level surface serving as origin of depths displayed on a nautical chart and for reporting and predicting tide heights. A chart...

The Smith chart (sometimes also called Smith diagram, Mizuhashi chart (水橋チャート), Mizuhashi–Smith chart (水橋スミスチャート), Volpert–Smith chart (Диаграмма Вольперта—Смита)...

The ARIA Charts are the main Australian music sales charts, issued weekly by the Australian Recording Industry Association. The charts are a record of...

the music industry standard record chart in the United States for songs, published weekly by Billboard magazine. Chart rankings are based on sales (physical...

A nautical chart or hydrographic chart is a graphic representation of a sea region or water body and adjacent coasts or banks. Depending on the scale...

Medication Administration Record (MAR, or eMAR for electronic versions), commonly referred to as a drug chart, is the report that serves as a legal record...

A table or chart of nuclides is a two-dimensional graph of isotopes of the elements, in which one axis represents the number of neutrons (symbol N) and...

The Circle Chart (Korean: 써클차트; RR: Sseokeul-chateu), previously known as the Gaon Music Chart or the Gaon Chart (Korean: 가온차트; RR: Gaon-chateu), tabulates...

other charts (e.g., the Snellen chart). For this reason, the LogMAR chart is recommended, particularly in a research setting. When using a LogMAR chart, visual...

A growth chart is used by pediatricians and other health care providers to follow a child's growth over time. Growth charts have been constructed by observing...

of portolan chart coexist in the literature. A narrow definition includes only medieval or, at the latest, early modern sea charts (i.e. maps that primarily...

denoted by a diamond. A flowchart is described as "cross-functional" when the chart is divided into different vertical or horizontal parts, to describe the...

The Nolan Chart is a political spectrum diagram created by American libertarian activist David Nolan in 1969, charting political views along two axes,...

chart, astrological chart, astro-chart, celestial map, sky-map, star-chart, cosmogram, vitasphere, radical chart, radix, chart wheel or simply chart)...

music sales charts. The charts are a record of the highest-selling singles and albums in various genres in Switzerland. The Swiss charts include: Singles...