Choose the font for the equation with this menu. Type the font size for second superscripts and subscripts here. This size will also be used for all superscripts and subscripts beyond the second. Type the font size for superscripts and subscripts here. This size will also be used for the results of calculations. Type the font size for the equation here. Type the number of significant digits here. Significant digits are numerals that appear in the results of calculations. To change all settings in this dialog to their standard values, click this button. To cancel any changes you have made to this dialog, click this button. To save any changes you have made to this dialog, click this button.