Entering special symbols |
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Special characters are symbols not readily accessible from the keyboard. They can be accessed from the special symbols toolbar.
Division sign, less than, less than or equal to, greater than and greater than or equal to symbols
If the desired symbol is shown, click on it. Otherwise, click on the pull down arrow, select the appropriate symbol and then click on it.
Constants If the desired constant is shown, click on it. Otherwise, click on the pull down arrow, select the appropriate constant and then click on it.
Indexed variables After you have entered a variable, click on the index button – this will create a space holder for the index value. Usually you will use numbers as indexes (such as x1, y2, etc), but you can also use letters or words (for example, xmax). To exit the index area, press the
Trigonometric and logarithmic functions If the desired function button is shown, click on it. Otherwise, click on the pull down arrow, select the appropriate function and then click on it.
and enter the base. You can also reach the log base by using the
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