ALEKS - Assessment and Learning
   

4.6.5 Other Mathematical Signs

 

The following mathematical signs can be entered only from the keyboard:
  • The plus sign (+).
  • The minus sign (-), both for connecting the two parts of a subtraction expression and for designating a negative number.
  • The period (.) used in decimals.
  • The comma (,) used to punctuate numbers of more than three places.