For more information see Use Math AutoCorrect rules outside of math regions check box. Number variable or constant you should write a letter use letters from the end of the alphabet for number and variable letters from the beginning of the alphabet for constant. Click the Equation button -- represented by Pi symbol -- on the Ribbon.
Double-click the MASetupexe program file on your hard disk to start the Setup program.
Find the Equation icon p. Click the AutoFormat As You Type tab and uncheck the Hyphens - with dash box. All automatic formatting of text is disabled. LaTeX users are already familiar with this method and the syntax is similar.