HP 49G User Manual page 14

2
v = x yi
CURL([X^2*Y, X^2*Y, Y^2*Z],[X,Y,Z])
[2*X*Y,X^2,Y^2]
DERIV
2
2x y +
DERIV(2*X^2*Y+3*Y^2*Z+Z*X, [X,Y,Z])
EXPAND(ANS(1))
[4*Y*X+Z,2*X^2+6*Z*Y,X+3*Y^2]
DERVX
1-14
2 2
+ x yj + y zk
˜ ˜ ˜
2
3y z + zx
Command Reference: Part A (1.1)