I'm not sure why this is listed under math unless there's another Homan's sign involved in that science.
But in nursing, Homan's sign is used to check for deep vein thrombosis. The patient's knee is flexed at 90 degrees and the nurse dorsiflexes the patient's foot at the ankle. If the patient feels pain it's a positive sign that there could be a thrombosis and further testing is needed.
Robert Homans's birth name is Homans, Robert Edward.
Robert Homans is 5' 11".
John Homans was born in 1877.
John Homans died in 1954.
G. C. Homans has written: 'Social behaviour'
George C. Homans died on 1989-05-29.
George C. Homans was born on 1910-08-11.
The ones with the + sign are positive. The ones with the - sign are negative.
Robert Homans was born on November 8, 1877, in Malden, Massachusetts, USA.
Isaac Homans has written: 'The coin book' -- subject(s): Coins
James E. Homans has written: 'Homans' first principles of electricity' -- subject(s): Electric engineering, Electricity 'Self-propelled vehicles' -- subject(s): Automobiles
a positive has a + and a negative has a - sign