HP HP-65 - Page 109

Index 107
X
X-register, 8
(reciprocal), 45, 47
(square root/square), 45—-46
(exchange x and y), 31
, , , (relational tests of x and y), 63
Y
Y-register, 8. For functions that use the Y-register
see [#1, =, X, =, [,
(exponential), 45, 47
z
Z-register, 8