XZERO - Plasma geometric major radius (meters).
AGUESS - Plasma minor radius (meters).
BTOR0 - Vacuum toroidal field at geometric major radius (Tesla).
QSAW - value of safety factor below which sawtoothing is evoked.
0.0 
turn off sawtooth model
1.0 if 
sawtooth model is turned on.
CEDGE - Value of edge current relative to peak value, 
CEDGE 
, used in the weighted-exponentiated current profile.
ZAVE - Average ion charge = 
Used in resistivity and IBOOT=2 bootstrap calculations.
ZEFF - Effective ion charge = 
Used in resistivity and IBOOT=2 bootstrap calculations.