Difference between revisions of "LibreOffice-Suite-Math/C2/Introduction/English-timed"

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||Double-click on the gray box to bring back the '''Math Formula Editor''' and the '''Elements''' window. Okey.. let us now write a simple multiplication  formula: 4 multiplied by 3 is equal to 12.
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Revision as of 19:24, 11 January 2016

Time Narration
00:02 Welcome to the Spoken tutorial on LibreOffice Math.
00:06 In this tutorial, we will cover introduction and Formula Editor of LibreOffice Math.
00:12 We will learn the following topics:
00:15 * What is LibreOffice Math?
00:18 * System requirements for using Math * Using the Formula Editor
00:23 * Writing a simple formula.
00:26 What is LibreOffice Math?
00:29 LibreOffice Math is a software application designed for creating and editing mathematical formulae.
00:38 It is bundled inside LibreOffice Suite and hence it is open source, free of cost and free to distribute.
00:47 The formulae and equations created using Math can stand alone
00:53 or it can be used in other documents in the LibreOffice Suite.
00:58 The formulae can be embedded into documents in Writer or Calc.
01:05 Some examples of formulae are fractions, integrals, equations and matrices.
01:13 Let us look at the System requirements for using Math.
01:17 For Windows, you will need Microsoft Windows 2000 (Service Pack 4 or higher), XP, Vista or Windows 7;
01:28 Pentium-compatible PC, 256 Mb RAM (512 Mb RAM recommended);
01:36 For Ubuntu Linux, the system requirements are: Linux kernel version 2.6.18 or higher; Pentium-compatible PC, 512Mb RAM recommended.
01:51 For complete information on System requirements, visit the LibreOffice website.
01:58 If you have already installed LibreOffice Suite then you will find Math in the LibreOffice Suite of programs.
02:06 If you have not installed LibreOffice Suite then you can download it from the official website:
02:14 In Linux, you can install it from the synaptic package manager.
02:18 I have installed LibreOffice version 3.3.3.
02:24 Okay, let us get started and open the 'Math' application.
02:28 In Windows, go to the Start menu. Click on All Programs >> LibreOffice Suite >> LibreOffice Math.
02:39 Or, we can call it from inside a LibreOffice Writer document.
02:46 Let us now click on LibreOffice Writer to open a new text document.
02:53 Now, in the Writer window, let us call Math.
02:57 Let us click on the Insert menu on the main menu bar and then Object which is toward the bottom and then click on Formula.
03:09 Now, we can see three areas in the Writer window.
03:14 The first is the Writer area on the top.
03:18 Here, notice the small gray box.
03:22 This is where the equations or the formulae we write, will appear in the mathematical form.
03:30 The second is the equation or the Formula Editor area at the bottom.
03:37 Here, we can type the mathematical formulae in a special markup language.
03:44 And the third is the Elements window that floats on the right.
03:50 If you don’t see the 'Elements' window, we can access it by clicking on the View menu and then choosing Elements.
04:01 This window provides us with a range of mathematical symbols and expressions.
04:08 If we click once outside the gray box in the Writer area, the Math windows disappear.
04:17 Double-click on the gray box to bring back the Math Formula Editor and the Elements window. Ok.. let us now write a simple multiplication formula: 4 multiplied by 3 is equal to 12.
04:37 Now the Elements window has categories of symbols on the top and symbols at the bottom.
04:46 Let us click once on the top left icon. The tool tip, here, says Unary or Binary Operators.
04:57 And at the bottom, we see some basic mathematical operators such as plus, minus, multiplication and division.
05:08 Let us click on a into b in the second row, denoting multiplication.
05:17 Now, notice the Formula editor window.
05:20 It shows two place holders separated by the word "times".
05:27 Also, in the Writer gray box area at the top, notice two squares separated by the multiplication symbol.
05:37 Let us highlight the first placeholder in the Formula editor by double-clicking it and then typing 4.
05:46 Next, let us highlight the second place holder and type 3 in the Formula editor window.
05:54 Notice that the Writer gray box has refreshed automatically and it displays 4 into 3.
06:03 We can also click on the View menu at the top and choose Update.
06:10 Or, we can use the keyboard shortcut F9 to refresh the window.
06:16 Next, let us complete the formula and add is equal to 12 to it.
06:24 For this, let us click on the second icon that says Relations, in the Categories section, in the Elements window.
06:35 Notice the various relation elements here.
06:38 Let us select the first one: a is equal to b.
06:44 And we will delete the first place holder and type 12 in the second place holder.
06:53 And, there is our first simple formula in the Writer area: 4 times 3 is equal to 12.
07:02 Now we learnt how to use the Elements window to write a formula in a very easy way.
07:09 We can also write a formula by right-clicking on the 'Formula Editor' window and selecting symbols here.
07:19 The context menu displays the same categories of symbols as in the Elements window.
07:26 Choosing any category, displays the available symbols in that category.
07:33 There is a third way of writing a formula.
07:37 We can directly write the formula in the Formula Editor window.
07:42 Here, we will use a special mark-up-language that the 'Math' application can understand.
07:50 We already saw one simple example of the mark up language.
07:56 4 times 3 equals 12.
07:59 Notice the word ‘times’ here.
08:03 Similarly, to write 4 divided by 4 equals 1, the mark up is : 4 over 4 equals 1.
08:15 Now that we are done, here is an assignment for you:
08:20 In the Writer window, write the following formulae.
08:24 4 divided by 4 = 1.
08:29 Use ‘newline’ mark up to enter a blank line in between your formulae.
08:36 a Boolean AND b
08:40 4 is greater than 3
08:43 x is approximately equal to y
08:47 And 4 is not equal to 3.
08:51 This brings us to the end of this tutorial on LibreOffice Math- Introduction and Formula Editor.
08:59 To summarize, we learned the following topics:
09:03 * What is LibreOffice Math?
09:06 * System requirements and prerequisites for using Math
09:10 * Using the Formula Editor
09:12 * Writing a simple formula.
09:16 Spoken Tutorial project is a part of the Talk to a Teacher project, supported by the National Mission on Education through ICT, MHRD, Government of India.
09:28 This project is coordinated by http://spoken-tutorial.org.
09:33 More information on the same is available at the following link.
09:39 This Script has been contributed by Priya Suresh, DesiCrew Solutions. And this is Soundharya, DesiCrew Solutions, signing off.

Thanks for joining.

Contributors and Content Editors

Minal, PoojaMoolya, Pratik kamble, Sandhya.np14

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