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MATRIX DEVICE FOR CALCULATING THE FUNCTIONS ARTH (Y/X), ARCTH (X/Y) AND SQUARE ROOT OF X RAISED TO THE SECOND POWER MINUS Y RAISED TO THE SECOND POWER
MATRIX DEVICE FOR CALCULATING THE FUNCTIONS ARTH (Y/X), ARCTH (X/Y) AND SQUARE ROOT OF X RAISED TO THE SECOND POWER MINUS Y RAISED TO THE SECOND POWER