Spy on Your GlyphĮvery character in every font is assigned at least two numbers: a Unicode value and a Glyph ID (GID) number. These can only be found through nefarious means and inserted into your documents through trickery and subterfuge. The third type of glyph is beyond the realm of the keyboard, where no arthritic combination of modifier keys will evoke them the infamous interpunct, for example or the numero sign, or the sound recording copyright. Because these symbol fonts usually have only a couple hundred characters from which to choose, it’s not onerous to use the panel. It’s often faster to open InDesign’s Glyphs panel (Type > Glyphs), scroll through the list, and double-click the one you want. You can still type these on a keyboard, though it takes a lot of hunting-and-pecking to find the key that elicits the correct glyph. Second, there are characters that show up only in particular symbol or pi fonts (see “ We Heart Dingbats” from issue 36 of InDesign Magazine). Uncommon glyphs (see “ The Sweet Sound of Punctuation” from this same issue of InDesign Magazine) come in three categories: First, there are characters you can enter using a keyboard, but only after a lengthy search for the proper key combination for example, the pilcrow (Option/Alt-7) and the twisted sign of infinity (Option/Alt-5). However, like any good treasure, you have to work to find these characters you can’t type them as easily as a common number or punctuation you’d find with a quick glance at your keyboard. There are treasures lurking beneath the deceptively simple surface of your fonts-treasures in the form of cool glyphs that will spice up your layouts, or just help them look more professional. In addition to the HTML version of the excerpt below, you can also download the excerpt as a PDF that retains the full design of the magazine. For the the complete list of the ASCII based Windows ALT Codes, refer to Windows ALT Codes for Special Characters & Symbols.Excerpted from InDesign Magazine, April/May 2011 (issue 41). The plus or minus symbol (±) is a part of the set of ALT Codes for Math Symbols: Basic Operators, Relations & Symbols. In mathematical equations or scientific notation, the plus or minus symbol (±) provides a concise way to express uncertainty, variation, or alternative possibilities, allowing for more comprehensive and accurate representations of information. When using the plus or minus symbol, it’s important to ensure that its meaning is clear within the context of its usage, as it can represent both ranges of values and alternatives. In music notation, the symbol may be used to indicate that a note can be played either higher or lower by a small interval.In an equation, x ± 3 could represent two equations: x + 3 and x – 3.The plus or minus symbol can also be used to express positive and negative options or alternatives. In mathematics, the quadratic formula is often expressed as x = (-b ± √(b² – 4ac))/(2a), where the plus or minus symbol indicates that there are two possible solutions for x.If a measurement is given as 10 ± 2, it means the value can be either 10 plus 2 (12) or 10 minus 2 (8).The symbol is commonly used to represent a range or uncertainty in measurements, tolerances, or margins of error. It is placed before a value to indicate that the actual value may be either greater or smaller than the given value. The plus or minus symbol (±) consists of a plus sign (+) and a minus sign (-) connected together. It is used in mathematics, science, engineering, and other fields where the expression of uncertainty or alternatives is necessary. The plus or minus symbol (±) is a typographic symbol used to represent a range of values or to indicate that a number can be either positive or negative. Origin, Meaning and Usage of the Plus or Minus Sign Symbol ± Download Free ALT Codes PDF Reference Chart.
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