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Reference Manual for the MathML Editor

Math editor features

This module explains how to open the Math Editor, create math, edit existing math, and keyboard shortcuts. There is also a separate tutorial page with examples showcasing the features.

At the end of this module are nuances and limitations of the editor. Please, let us know which ones you'd really like to see incorporated!

Opening the editor

When editing a Module using using Mozilla's Firefox browser, click on a part of the module to open a blue editing box . On the top-right hand side of the box is a "MathML Editor" link which will open up the editor .

Launching the Math Editor
Begin editing and in the top-right corner is a MathML Editor link
An empty Math Editor
Once clicked, a popup window will appear containing the Math Editor

Using the popup window

User interface

The Editor has 4 main sections, detailed below. The toolbar provides a way to insert new operations, a navigation tree to show where the cursor is located, and standard buttons for undo, preview, and source editing.

The main editing area is located below the toolbar and contains the math that is being edited.

Toolbar

The toolbar contains a row of buttons representing categories of different mathematical operations. These are enabled when something is selected in the editing area . Note: The editor does not infer multiplication and addition. See Nuances for how to insert next to existing math by wrapping existing math. Explain the different sections, when it's enabled, how things get inserted, and Keyboard Entry for things.

Clicking a category in the top row of the toolbar will open a menu of mathematical operations to insert. To the right of each operation is a name that can be entered from the keyboard at the cursor position in the main editing area . For example, instead of using the toolbar to enter the symbol for pi, the user could enter " pi " or " <pi/> " (the MathML version of pi) in the cursor and press the Enter key.

Path

Shows the path to the cursor location. Math is organized in a tree-like hierarchy (see Navigating Math ) and the path represents where in the tree the cursor currently is. The path (and context ) are important because they define what can be inserted and where it will go.

Undo/redo

These buttons allow the user to undo an operation such as deletion or insertion. See Keyboard Shortcuts for details on using these features from just the keyboard.

Preview

Shows what math will look like when module is published. To resume editing, one must click the Preview button a second time.

View source

Math in Connexions is represented in an XML format known as MathML. Clicking the View Source button will allow editing of the raw MathML.

Editing area

This is the main area for creating math. It begins empty, but math can be pasted directly in here from Connextions. The tutorials contain instructions on moving math from Connexions to the math editor and back. The editing area is the most important part of the editor and as several subsections, outlined below:

  • Math is structured like a tree .
  • Colors are used in this area to denote required information and contextual clues.
  • Content vs Presentation Math discusses the two different types of math the editor supports.
  • The cursor is discussed in detail below, including navigation and different editing modes.
  • Since the exact location of the cursor may at times be ambiguous, the context provides visual cues.
  • Keyboard strokes are discussed in detail.
  • Finally, empty blocks are discussed below.

Questions & Answers

A golfer on a fairway is 70 m away from the green, which sits below the level of the fairway by 20 m. If the golfer hits the ball at an angle of 40° with an initial speed of 20 m/s, how close to the green does she come?
Aislinn Reply
cm
tijani
what is titration
John Reply
what is physics
Siyaka Reply
A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance
Jude Reply
Can you compute that for me. Ty
Jude
what is the dimension formula of energy?
David Reply
what is viscosity?
David
what is inorganic
emma Reply
what is chemistry
Youesf Reply
what is inorganic
emma
Chemistry is a branch of science that deals with the study of matter,it composition,it structure and the changes it undergoes
Adjei
please, I'm a physics student and I need help in physics
Adjanou
chemistry could also be understood like the sexual attraction/repulsion of the male and female elements. the reaction varies depending on the energy differences of each given gender. + masculine -female.
Pedro
A ball is thrown straight up.it passes a 2.0m high window 7.50 m off the ground on it path up and takes 1.30 s to go past the window.what was the ball initial velocity
Krampah Reply
2. A sled plus passenger with total mass 50 kg is pulled 20 m across the snow (0.20) at constant velocity by a force directed 25° above the horizontal. Calculate (a) the work of the applied force, (b) the work of friction, and (c) the total work.
Sahid Reply
you have been hired as an espert witness in a court case involving an automobile accident. the accident involved car A of mass 1500kg which crashed into stationary car B of mass 1100kg. the driver of car A applied his brakes 15 m before he skidded and crashed into car B. after the collision, car A s
Samuel Reply
can someone explain to me, an ignorant high school student, why the trend of the graph doesn't follow the fact that the higher frequency a sound wave is, the more power it is, hence, making me think the phons output would follow this general trend?
Joseph Reply
Nevermind i just realied that the graph is the phons output for a person with normal hearing and not just the phons output of the sound waves power, I should read the entire thing next time
Joseph
Follow up question, does anyone know where I can find a graph that accuretly depicts the actual relative "power" output of sound over its frequency instead of just humans hearing
Joseph
"Generation of electrical energy from sound energy | IEEE Conference Publication | IEEE Xplore" ***ieeexplore.ieee.org/document/7150687?reload=true
Ryan
what's motion
Maurice Reply
what are the types of wave
Maurice
answer
Magreth
progressive wave
Magreth
hello friend how are you
Muhammad Reply
fine, how about you?
Mohammed
hi
Mujahid
A string is 3.00 m long with a mass of 5.00 g. The string is held taut with a tension of 500.00 N applied to the string. A pulse is sent down the string. How long does it take the pulse to travel the 3.00 m of the string?
yasuo Reply
Who can show me the full solution in this problem?
Reofrir Reply
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Source:  OpenStax, Connexions guide to mathml. OpenStax CNX. Aug 24, 2009 Download for free at http://cnx.org/content/col10963/1.1
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