LibreOffice-Suite-Math/C2/Markup-Language-for-writing-formula-Formula-Formatting/English-timed
From Script | Spoken-Tutorial
| Time | Narration |
| 00:00 | Welcome to the Spoken tutorial on LibreOffice Math. |
| 00:04 | In this tutorial, we will cover the following topics: |
| 00:08 | Mark up language for writing formula and formula formatting-Fonts Alignment and Spacing. |
| 00:18 | In the last tutorial, we introduced the mark up language for Math. |
| 00:24 | Now, let us learn more about Mark up language. |
| 00:28 | Let us first open a Writer document and then call the 'Math' application, inside Writer. |
| 00:35 | If Writer is already open then click on the Insert menu at the top and then click on Object and choose Formula. |
| 00:46 | If Writer is not open, we can invoke it from the Windows Start menu. |
| 00:55 | Using the Elements window is a very easy method of writing a formula. |
| 01:01 | But directly writing the mark-up language in the Formula Editor is a faster way of writing a formula. |
| 01:10 | Because, mark-up language for a formula resembles the way we would read the formula in English. |
| 01:18 | For example- to write 4 into 3, we just need to type in the Formula Editor window "4 times 3". |
| 01:28 | Before we go to the next example, let us insert a blank line here. |
| 01:36 | Simply type the markup "newline" and notice that a new line is inserted in the Writer gray box area. |
| 01:46 | Let us type: "Some more example formulae: newline". |
| 01:52 | For readability, we will press the Enter key once |
| 01:57 | and write: x greater than equal to y. |
| 02:03 | Here, we will also number the formula. |
| 02:07 | So, we will type: 1. x greater than equal to y new line. Press Enter. |
| 02:18 | Notice, the Writer gray-box has refreshed and the contents are centered. |
| 02:25 | Next, let us write: a to the power of 10. |
| 02:30 | And the markup is: 2. a arrow pointing upward 10 new line and press Enter. |
| 02:42 | Notice the mathematical symbol in the Writer gray-box. |
| 02:48 | Now, let us write: square root of 16 = 4. |
| 02:55 | Type: 3. sqrt 16 within curly brackets equals 4 new line. Press Enter. |
| 03:06 | Notice this formula in the Writer gray-box. |
| 03:10 | Alright, now let us write a summation symbol for a suffix n, to denote a1 + a2 + a3 so on + an. |
| 03:28 | And the markup is: 4. sum a underscore n new line. Press Enter. |
| 03:37 | Now, let us try an integral with a function. To write Integral f x dx, the markup is: 5. int f(x) dx newline |
| 03:54 | and notice the integral symbol in the Writer area. |
| 04:00 | Let us save our work now. Go to File menu at the top, click on Save. |
| 04:09 | Name the document as "MathExample1". |
| 04:15 | Now, let us learn how to format the formulae we wrote . |
| 04:21 | Notice that they are all centered and don’t have a lot of space in between them. |
| 04:28 | We can use the Format menu at the top for making various format changes. |
| 04:35 | Let us first align all the formulae to the left. |
| 04:40 | For this, let us click on Format menu and choose Alignment. |
| 04:46 | In the new window, choose the Left option and click on the OK button. |
| 04:54 | Notice that the formulae are left aligned now. |
| 04:58 | We can change the font style by choosing Fonts under the Format menu. |
| 05:06 | Notice the various categories here. |
| 05:10 | We can set one type of font for variables, another type for functions, another for numbers and text. |
| 05:23 | To modify the font style, click on the Modify button and choose the category Variables. |
| 05:34 | Let us choose 'Arial Black' in the list-box and click on the OK button. |
| 05:43 | And let us save the font by clicking on the OK button here. |
| 05:50 | Now, notice the font changes in the Writer gray-box. |
| 05:56 | To increase the font size of the formulae, go to Format menu and click on Font Size . |
| 06:06 | Let us increase the Base size to ‘18 point’. Click on OK. |
| 06:16 | We can change the relative sizes of other categories such as the text or indexes or operators. |
| 06:25 | We can also use the Default button to undo all the font-size changes we made. |
| 06:32 | Notice, the font-size changes in the formulae. |
| 06:37 | Next, let us make changes to the spacing of the formulae. |
| 06:42 | Click on Format menu and choose Spacing. |
| 06:48 | Let us change the Spacing, Line spacing and Root spacing, each to 20 percent. |
| 06:56 | As we click on each spacing type, the image in the centre shows the location of the spacing type. |
| 07:05 | Again, we can choose spacing types from the various categories. To do this, let us click on the Category button. |
| 07:16 | Or, use the Default button to undo our changes. |
| 07:22 | Let us click on the OK button now. |
| 07:25 | And notice the spacing changes in the Writer gray-box. |
| 07:30 | More formatting is available in the Elements window. |
| 07:35 | Let us bring up the Elements window from the View menu. |
| 07:40 | Here, let us click on the last icon in the second row of Categories. |
| 07:47 | The tool tip here says ‘Formats’. |
| 07:51 | Here, we can choose placements of Subscripts and Superscripts, Alignments, Matrix, New Lines and Gaps. |
| 08:03 | Let us introduce a long gap in the fifth example, after the number 5. Click after 5. |
| 08:13 | Then from the Elements window, click on Formats > Long Gap. |
| 08:20 | The mark up for long gap is the ‘tilde’ character. And for the short gap, it is ‘Tiray’ character. |
| 08:29 | Notice the new gap after the number 5. |
| 08:33 | So, these are the ways we can format our formulae. |
| 08:38 | Feel free to explore all the formatting options which Math provides. |
| 08:44 | Okay, here is an assignment for you: |
| 08:47 | In the Writer window, write the following formulae using Mark up. |
| 08:53 | Use Elements window if necessary. |
| 08:57 | Summation of x to the power of 2. |
| 09:02 | Sin to the power of x plus cos to the power of x = 1 (use the Functions category in the Elements window). |
| 09:15 | Continued from the previous slide, write Summation from 1 to n of x. |
| 09:23 | (use the Operators category to set the limits for summation). |
| 09:29 | Change font to "Arial" and size to "18" point. |
| 09:35 | And provide more spacing between the symbols. |
| 09:40 | This brings us to the end of this tutorial on Mark up Language and Formula Formatting in LibreOffice Math. |
| 09:49 | To summarize, we learned the following topics: |
| 09:52 | Mark up language for writing formula and Formula formatting: Fonts, Alignment and Spacing. |
| 10:01 | 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. |
| 10:14 | This project is coordinated by http://spoken-tutorial.org. |
| 10:19 | More information on the same is available at the following link. |
| 10:23 | This script has been contributed by Priya Suresh, DesiCrew Solutions. And this is Soundharya, DesiCrew solutions, signing off.
Thanks for joining. |
