Enter Math Expressions in Your Show My Work Grading Comments

You can enter mathematical expressions in your comments.

In the Show My Work toolbar, click Insert Math.
The toolbar changes to display buttons for entering math expressions.

Use the keyboard and buttons to enter your math expression.

To do this	Do this
Enter variables.	Type the variable name. Variables are automatically italicized.
Enter lowercase or uppercase Greek letters.	Type a backslash (\) followed by the lowercase or capitalized name of the letter, for example, `\delta` to insert δ or `\Delta` to insert Δ.
Display or hide additional buttons.	Click Functions, Symbols, Operators, Calculus, Vectors, or Greek.
Move the insertion point.	Press the home, END, and arrow keys.
Move to the next part of the expression.	Press TAB.
Move to the previous part of the expression.	Press SHIFT+TAB.
Copy the entire expression.	Press CTRL+C. Note You cannot select or copy only part of the expression.
Cut the entire expression.	Press CTRL+X. Note This removes the entire expression. To undo, press CTRL+V to paste the expression.
Paste the entire expression.	Press CTRL+V. Important This replaces the entire expression with an expression that you previously cut or copied. There is no undo.
Delete the character to the left of the insertion point, the selected expression, or notation such as fractions.	Press BACKSPACE.
Delete the character to the right of the insertion point, the selected expression, or notation such as fractions.	Press DELETE.
Delete the current part of the expression and its parent — for example, deletes an entire fraction.	Press CTRL+DELETE.

Note

You cannot select a portion of your math expression to cut, copy, or paste.
You cannot undo changes in your math expression.

Examples: Entering Math Notation

The following examples illustrate entry of some common expressions.

Expression	Do this	To display this
A simple expression with integers	Type `2x+52500`	$2 x + 52500$
A polynomial with a fractional coefficient	Click $fraction button$ Type `1` and press TAB Type `2` and press TAB Type `x^2` and press TAB Type `+4x+2`	$\frac{1}{2} x^{2} + 4 x + 2$
A simple inequality	Type `x` Click Symbols > ≥ Type `-4`	$x \geq -4$
A square root	Type `sqrt(x`	$\sqrt{x}$
A cube root	Click Type `3`TAB`x`	$\sqrt[3]{x}$
An expression involving pi and Euler's number	Type `\pi+e^2`	$π + e^{2}$
The natural logarithm of an absolute value	Click Functions > ln Type `\|x\|`	$\ln (\|x\|)$
A complex number	Type `2+3i`	$2 + 3 i$
A vector in vector bracket form	Click Type `12,15,22`	$⟨12, 15, 22⟩$