propsDict = {
  "FRC" : "Force",
  "MAS" : "Mass",
  "PRS" : "Pressure",
  "ARE" : "Area",
  "LEN" : "Length",
  "TAU" : "Torque",
  "RAD" : "Radius",
  "ACC" : "Acceleration",
  "DIS" : "Distance",
  "VEL" : "Velocity",
  "AAC" : "Angular Acceleration",
  "AVL" : "Angular Velocity",
  "APS" : "Angular Position",
  "MAS * ACC - FRC" : "F=M*A",
  "LEN * LEN - ARE" : "L*W=A",
  "PRS * ARE - FRC" : "P=F/A"
}
