Typical prerequisite path for Mathematical Sciences courses at 
                       Northern Illinois University
(In some cases there are alternative sets of prerequisites which can be 
satisfied, or the prerequisites can be treated as advisory only.)

                                  650      640                       Ph.D.    
                                 / |        |                                 
                         620  522  |       548   630                          
                          |    |  551       |     |                           
                          :   521  |       542    :          564    Masters'
                               |   |       /                /             
                     580  523 520 550 432 531 532 536 540 562                
           413         \.  \.  |  /|   | /    /___/  ./  ./                   
             \                 | : |   |/  530                                
              \   456 480 423 421 450 431  /            S471  S472    B.       
              412    \___\___\ /   |  /___/               |  /      l  S.    
                 \            V    | /                    | /        e        
                  \           |    |/                     |/          v       
    439   460,438  353  416  420  430  434,435  444,440  S470          e     
       \         \   \   \    \   /    /         /        /             l     
        \___      \___\___\____\ /____/_________/________/                    
            \                   |                                    M        
             339     442       240                      S474  S478    a      
                \     |         |                       /  __/      M  t      
                 \    |         |                      /__/          i  h     
                  \___|______   |   334            S473               n       
                            |\  |  /              /                    o      
                            | \ | /              /                      r     
 502            280 380   336  232    360     S350                       s 
  |  410         \____\_____\   |     /        /                              
  | /  \                     \_ | ___/________/                               
 402    \    302 303 304       230                                            
  |      \     \   \   \        |                                             
  |       \_____\___\___\_____  |                                        *    
  |                            229                                       |    
  |                             |                                        |    
  |                             |                                    Core Comp
  |                            155   210   211    206                    |    
 201        HS Adv Alg/Trig.....|   /     /      /                       |    
  |    101    |                 | _/_____/______/                        *    
  |\    |     |                110_                                           
  | \_ / \    |                 |  \__                                        
   \  X__ \   |                 |     \__                                * 
    \/   \_\  |                 |        \__.                            |    
 HS Geom    HS Alg 2           109           KCMA 098                 remedial
              |                 |               |                        |    
            HS Alg 1           108           KCMA 096 (090)              *