or download this
P:\test>423305 -XLATE
1+2+3
...
Func_1( 1, Func_2( Func3( 1* 2 * 3) * aFunc( 3 ) )+FuNc(4,5,6), -2,e,
+-10, -2e-10 ) +1
1, 1, 2, MULT, 3, MULT, Func3, 3, aFunc, MULT, Func_2, 4, 5,
+6, 3, FuNc, ADD, -2, e, -10, -2e-10, 6, Func_1, 1, ADD