LibreOffice-Suite-Math/C2/Markup-Language-for-writing-formula-Formula-Formatting/English-timed

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.

Contributors and Content Editors

Minal, PoojaMoolya, Pratik kamble, Priyacst, Sandhya.np14