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			<title>Units in Functions and Operators</title>
			<description>Effects of changes to unit checking on worksheets.</description>
			<author>Parametric Technology Corporation</author>
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			<keywords>static unit checking error function definition exponentiation differentiation power order explicit plots</keywords>
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				<p style="Heading 1" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">Unicode Font Effects</p>
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				<phrase>units</phrase>
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				<p style="Normal" margin-left="inherit" margin-right="inherit" text-indent="0" text-align="inherit" list-style-type="none" tabs="inherit">Mathcad is now fully Unicode-compliant. You can enter non-ASCII characters such as special mathematical symbols and characters from Asian, Greek, Hebrew, Cyrillic and other languages into variables, plot titles, trace labels and other fields. </p>
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				<p style="Header 2" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">Symbol Font</p>
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				<p style="Normal" margin-left="inherit" margin-right="inherit" text-indent="0" text-align="inherit" list-style-type="none" tabs="inherit">However, you should no longer use the Symbol font when you enter Greek or other special characters, since the Symbol font is <i>not</i> a Unicode font. Use of the Symbol font may cause problems when saving worksheets, especially on double-byte operating systems.</p>
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				<p style="Header 2" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">[Ctrl] G</p>
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				<p style="Normal" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">In Mathcad 14, <inlineAttr font-weight="normal">[Ctrl] G</inlineAttr> will toggle only Roman letters and Greek letters. You can type a Roman letter such as p, then type <inlineAttr font-weight="normal">[Ctrl] G</inlineAttr> after it to get π in either math or text, but you can not use <inlineAttr font-weight="normal">[Ctrl] G</inlineAttr> to toggle other special characters.</p>
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				<p style="Normal" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">In previous versions of Mathcad, selecting the "γ" in the expression below and changing its font or style had no effect, since the character was not dependent upon the Math styles.</p>
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					<f family="Times New Roman" charset="0"> affect Greek characters. C</f>hanging the style from <b>Variables,</b> which uses the Times New Roman font, to <b>User 1, </b>which uses the Verdana font, affects <inlineAttr font-style="normal">both</inlineAttr> the Greek character γ and the Roman character e<f family="Times New Roman" charset="0">:</f>
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					<originComment xmlns="http://schemas.mathsoft.com/provenance10">Describes the enhanced support for Unicode characters in Mathcad, and how double-byte characters can now be used in variable names, plot titles, and trace labels, along with the effect on Greek characters.</originComment>
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				<p style="Heading 1" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">Missing Greek and Math Characters</p>
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				<p style="Normal" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">Several Greek characters are not available in some fonts, like Times Roman. They include a Greek Theta Symbol, a Phi Symbol, and a variant of Pi that is an Omega Pi. However, these characters are available in other fonts, such as Arial Unicode. That font is not good in general for a math font, because it is hard to distinguish ones and the letter el.</p>
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				<phrase>missing characters</phrase>
				<phrase>special characters, missing</phrase>
				<phrase>characters, missing</phrase>
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				<p style="Normal" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">If you see missing characters in your worksheets, try changing the font to another font that may have that character, or searching the <b>Character Map</b> accessory under <b>Programs &gt; Accessories</b>. You can search for a specific character in that program by either looking for it visually in different fonts, or checking the box that says "Advanced View." Then you can type in the name of the character to search for it, such as "nabla" or "omega." Select the character, then copy it into your Mathcad worksheet.<sp count="2"/>
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				<p style="Header 2" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">Copy and Paste of Variables</p>
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				<p style="Normal" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">In earlier versions of Mathcad you could click in a variable to copy it, and then click in another variable name to replace the variable. </p>
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				<p style="Normal" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">In Mathcad 14, the copied variable is inserted into the destination variable name. This change was made to accommodate Unicode. Now when you are replacing a variable, just double-click the old variable to highlight it before pasting. </p>
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					<b>Mathcad 13 and lower</b>
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				<p style="Header 2" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">
					<b>Mathcad 14</b>
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				<p style="Normal" margin-left="inherit" margin-right="inherit" text-indent="inherit" text-align="inherit" list-style-type="inherit" tabs="inherit">Copy a, double-click on b to highlight it, then paste:<sp count="2"/>
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					<b>Mathcad 14</b>
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