Linear Algebra Class
  Change of Basis
  An Interactive Fiction
  Release 1 / Serial number 150512 / Inform 7 build 6M22 (I6/v6.33 lib 6/12N) SD
  
  Linear Algebra Class
  The blackboard is covered with square arrangements of numbers. These are supposed to convey something to you, but mostly you're finding them soporific.
  
> >   Linear Algebra Class
  (Testing.)
  
  >[1] wake up
  You'd really rather just sleep through this.
  
  >[2] sleep
  You drop off.
  
  >[3] look
  Ssh! You're sleeping!
  
  >[4] z
  Time passes.
  
  >[5] sleep
  Zzzz.
  
  >[6] wake up
  You come to suddenly, wiping drool from your lips.
  
  >[7] look
  Linear Algebra Class
  The blackboard is covered with square arrangements of numbers. These are supposed to convey something to you, but mostly you're finding them soporific.
  
> >