Documentation
Publicon
User Guide
Advanced Features
Editing and Formatting Notebooks
Entering Mathematical Formulas
Entering Mathematical Formulas
Fractions and Radicals
You can enter two-dimensional input, such as 
in two different ways--either by using a palette or by entering it directly from the keyboard.
To enter two-dimensional forms using a palette:
1. Place the cursor at the point in your notebook where you want to enter the text.
2. Open the first subpalette of the Typesetting palette or choose Window 
Formulas Standard Math.
3. Click the button containing the symbol 
. The expression is inserted into your notebook.
4. Type x to fill in the first box, called a placeholder.
5. Press 
to move to the next placeholder.
6. Type y to fill in the second placeholder and get the superscripted symbol 
.
To enter two-dimensional forms directly from the keyboard:
Another way to enter two-dimensional expressions is by using special input forms based on control characters.
For example, 
^
, which corresponds to pressing the and ^ keys simultaneously, moves the cursor into a superscript position.
Examples of two-dimensional expressions entered using control keys.
When you see a two-dimensional expression on the screen, you can edit it in all the ways you would edit text. You can, for example, place your cursor somewhere and start typing. Or you can select a part of the expression, remove it using the 
key, and insert new input.
