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Excel offers many user interface tweaks over the earliest electronic spreadsheets; however, the essence remains the same as in the original spreadsheet software, VisiCalc: the program displays cells organized in rows and columns, and each cell may contain data or a formula, with relative or absolute references to other cells. Excel 2.0 for ...
Continuous charge distribution. The volume charge density ρ is the amount of charge per unit volume (cube), surface charge density σ is amount per unit surface area (circle) with outward unit normal nĚ‚, d is the dipole moment between two point charges, the volume density of these is the polarization density P.
A spreadsheet's concatenate ("&") function is used to assemble a complex text string—in this example, XML code for an SVG "circle" element. In formal language theory and computer programming, string concatenation is the operation of joining character strings end-to-end. For example, the concatenation of "snow" and "ball" is "snowball".
In either case, there are 3 lattice points per unit cell in total and the lattice is non-primitive. The Bravais lattices in the hexagonal crystal family can also be described by rhombohedral axes. [4] The unit cell is a rhombohedron (which gives the name for the rhombohedral lattice). This is a unit cell with parameters a = b = c; α = β = γ ...
HTML equivalent: <hr /> (which can be indented, whereas ---- always starts at the left margin.) Table of contents Further information: WP:TOC When a page has at least four headings, a table of contents (TOC) will automatically appear after the lead and before the first heading. The TOC can be controlled by magic words or templates: __FORCETOC__ forces the TOC to appear at the normal location ...
Letter spacing may also refer to the insertion of fixed spaces, as was commonly done in hand-set metal type to achieve letter spacing. Fixed spaces vary by size and include hair spaces, thin spaces, word spaces, en-spaces, and em-spaces. An en-space is equal to half the current point size, and an em-space is the same width as the current point ...
The usual space x, y, z and time t coordinates themselves are real and spacetime is not complex, but tangent spaces are allowed to be. [6] For several decades after Einstein published his general theory of relativity in 1915, he tried to unify gravity with electromagnetism to create a unified field theory explaining both interactions.
In electrochemistry, cell notation or cell representation is a shorthand method of expressing a reaction in an electrochemical cell.. In cell notation, the two half-cells are described by writing the formula of each individual chemical species involved in the redox reaction across the cell, with all other common ions and inert substances being ignored.