Typing math formulae

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Ngày đăng: 01/12/2016, 16:22

PowerPoint Add formulae Course contents • Overview: Typing math formulae • Lesson1: Type a simple formula • Lesson2: Type a complex formula Add formulae Overview: Typing math formulae ∑ n =1 n When you prepare slides for an engineering course, you need to display mathematic formulae This course will tell you how to type such formulae in PowerPoint Add formulae Course goal • Put a formula in you presentation • Navigate and edit a formula • Create a simple formula on a single line or a complex multi-lines formula Add formulae Lesson Simple formulae Insert a formula Use the Insert menu to add a formula to your PowerPoint presentation Click on the Insert menu and select Object Select Microsoft Equation and click OK Inserting a formula via the Insert menu Add formulae Enter the Equation Editor The window that opens has some symbols at the top and a large equation space at the bottom You type the equation by selecting symbols from the menus at the top and typing other characters on the keyboard The Equation Editor The equation goes into the dash box Add formulae Your first equation On the keyboard you type the characters: m, =, 3, x, and Notice how the equation editor adds some space around the equal sign and minus sign A simple equation The Equation Editor tries to follow the typographic rules for presenting mathematics Add formulae You are done When you are done with typing your equation, you exit the Equation Editor and return to the PowerPoint presentation Click on the File menu Select Exit and Return to Presentation Exit the equation editor Add formulae PowerPoint and the Equations It does not look too good m = 3x − Equations not integrate well with PowerPoint: they are not part of the text, they are a separate object Size is too big, color is wrong You need to fix this Add formulae Lesson Complex formulae Complex formulae Not all formula can fit on a single line Mathematics need superscripts, subscripts, array of values for a matrix, etc The second line of menu give access to complex symbols A complex formula Their size varies with the equation Add formulae Build step by step You know how to type m = Select the quotient from the menu You have an horizontal bar with two placeholders A complex formula Add formulae Build step by step The cursor is in the top placeholder Select symbol Σ from the menu There are placeholders with the symbol Σ A complex formula Note that the fraction bar has extended Add formulae Build step by step Type m Select the subscript from the menu A complex formula Add formulae Build step by step Fill in the remaining placeholders Your equation is completed Your can use the key Tab to skip from one placeholder to the next one Placeholders are in natural order, the reading order of the equation: sum of the m i for i equal one to n divided by n A complex formula Add formulae What sum symbol to choose There are different type of sum symbols: n • With the placeholders for the boundaries above and below the Σ symbol; ∑m • With the placeholder for the boundaries on the right of the Σ symbol ∑ Add formulae i i =1 n m i =1 i What sum symbol to choose You use the type above/below n m= ∑m i =1 i n for display presentation: The equation is isolated on the center of a line Add formulae What sum symbol to choose You use the type on the right m = ∑i =1 mi n n for in-line presentation: the equation is part of the line of text The equation is not as high as the display presentation; it integrates with the text Note the fraction bar that you get from the menu Add formulae Vectors and matrix Drawing matrix is easy with the Equation Editor You need big delimiters, like parenthesis, brackets, etc And inside the delimiters, a table of elements A by matrix Add formulae Build step by step The menu gives you a choice of delimiters These delimiters will adapt their size according to the contents Click on the menu Select the parenthesis ( ) A by matrix Add formulae Build step by step The menu gives you a choice of tables of one or two dimensions Click on the menu Select two by two table Fill in the placeholders, you can use the Tab key to jump from one placeholder to the next one A by matrix Add formulae Managing space The Equation Editor does not always a good job at managing the space between symbols Lets consider the equation Q ω = α Sω v Spacing is incorrect at all the places with a red mark Correcting the spacing Add formulae Build step by step The menu gives you access to a choice of spaces that you can use in your equations Move the cursor where you want to add some space Select the space you want to add from the menu Correcting the spacing The marks for extra spacing will not show on the final equation Add formulae Suggestion for practice Prepare one page presentation and type the following equations:  Sl3   ∆ = ∆ m 1 +  IL  ∆l α tg Q ω = α Sω v where ω represents… The speed v can be represented as for all H and h v = g ( H − h) Add formulae
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