The Year 1997
by David Pleacher

1997:

1:     1^997
2:     1^9*9-7
3:     1^9+9-7    or     19-9-7
4:     -1*9+((sqrt(9))!)+7
5:     1-9+((sqrt(9))!)+7
6:     1 * ((sqrt(9))!) * (-((sqrt(9))!) + 7)
    or     -1+9-9+7
7:     1*9-9+7     or     1^99*7
8:     1+9-9+7     or     1^99+7
9:     1*9*([9/7]
10:     1+9*([9/7]
11:     1+9+([9/7]
12:     -1^9+((sqrt(9))!)+7
13:     1^9*((sqrt(9))!)+7
14:     1^9+((sqrt(9))!)+7
15:     19+(sqrt(9))-7
16:     1^9*9+7
17:     1^9+9+7     or     19-9+7
18:     -1+sqrt(9)+9+7
19:     1*sqrt(9)+9+7
20:     1+sqrt(9)+9+7
21:     (-1*sqrt(9)+(sqrt(9))!)*7
22:     1+(-sqrt(9)+(sqrt(9))!)*7
23:     19-sqrt(9)+7
    or     -1+sqrt(9)+sqrt(9)*7
24:     1*sqrt(9)+sqrt(9)*7
    or     -1+9+9+7
25:     1+sqrt(9)+sqrt(9)*7
    or     1*9+9+7
26:     1+((sqrt(9))!)*sqrt(9)+7
    or     1+9+9+7
27:     1*sqrt(9) * [sqrt(97)]
28:     (1^9+sqrt(9))*7
29:     19+9+[sqrt(sqrt(7))]
30:     (1+9)*sqrt([sqrt(97)])
31:     1+sqrt(9)*(9+[sqrt(sqrt(7))])
32:     (-1+sqrt(9)) * (9+7)
33:     -1+9*sqrt(9)+7
34:     1*9*sqrt(9)+7
35:     1+9*sqrt(9)+7
36:     1*((sqrt(9))!)*((sqrt(9))!)*[sqrt(sqrt(7))]
37:     1+((sqrt(9))!)*((sqrt(9))!)*[sqrt(sqrt(7))]
38:     1*((sqrt(9))!)*((sqrt(9))!)+[sqrt(7)]
39:     1+((sqrt(9))!)*((sqrt(9))!)+[sqrt(7)]
40:     (1+9) * (-sqrt(9)+7)
41:     -1^9+(sqrt(9))!*7
42:     1^9*(sqrt(9))!*7
43:     1^9+(sqrt(9))!*7
44:     (1+sqrt(9))*(9+[sqrt(7)])
    or     -1+sqrt(9)+ ((sqrt(9))!*7)
45:     1*sqrt(9)+ ((sqrt(9))!*7)
46:     1+sqrt(9)+ ((sqrt(9))!*7)
47:     -1 + (sqrt(9))! + ((sqrt(9))!*7)
48:     1 * (sqrt(9))! + ((sqrt(9))!*7)
49:     1 + (sqrt(9))! + ((sqrt(9))!*7)
50:     (1+9)*(sqrt(9)+[sqrt(7)])
51:     -1 + 9*((sqrt(9))!)-[sqrt(7)]
52:     1*9*((sqrt(9))!)-[sqrt(7)]
53:     1*9*((sqrt(9))!)-[sqrt(sqrt(7))]
54:     1*9*((sqrt(9))!)*[sqrt(sqrt(7))]
55:     19*sqrt(9)-[sqrt(7)]
56:     19*sqrt(9)-[sqrt(sqrt(7))]
57:     19*sqrt(9)*[sqrt(sqrt(7))]
58:     19*sqrt(9)+[sqrt(sqrt(7))]
59:     19*sqrt(9)+[sqrt(7)]
60:     -1+(9*(sqrt(9))!)+7
    or     1*((sqrt(9))!)*(9+sqrt(sqrt(7)))
61:     19+((sqrt(9))!)*7
62:     -1^9+9*7
    or     (1+9)*((sqrt(9))!)+[sqrt(7)]
63:     1^9*9*7
64:     1^9+9*7
65:     -1+sqrt(9)+9*7
66:     1*sqrt(9)+9*7
67:     1+sqrt(9)+9*7
68:     -1+(sqrt(9))! + 9*7
69:     1*(sqrt(9))! + 9*7
70:     (19-9)*7
71:     -1+9+9*7
72:     1*9+9*7
73:     -1+9*9-7
74:     1*9*9-7
75:     1+9*9-7
76:     -1+(9 + [sqrt((sqrt(9))!)])*7
77:     1*(9 + [sqrt((sqrt(9))!)])*7
78:     -19+97
    or     1+(9 + [sqrt((sqrt(9))!)])*7
79:     1+(sqrt(9))!+9!/7!
80:     -1+9+9!/7!
81:     1*9+9!/7!
82:     -1+9*9+[sqrt(7)]    or     1+9+ 9!/7!
83:     1*9*9+[sqrt(7)]
84:     1*(9+sqrt(9))*7
    or     1+9*9+[sqrt(7)]
85:     1+(9+sqrt(9))*7
86:     -1 + ((sqrt(9))!)! / 9 + 7
87:     -1+9*9+7
88:     1*9*9+7
89:     1+9*9+7
90:     1*9*(sqrt(9)+7)
91:     1+9*(sqrt(9)+7)
92:     1-(sqrt(9))!+97
93:     -1-sqrt(9)+97
94:     -1*sqrt(9)+97
95:     19*(sqrt(9) + [sqrt(7)])
    or     1-sqrt(9)+97
96:     -1^9 + 97
97:     1^9 * 97
98:     1^9 + 97
99:     -1+(sqrt(9))+97
    or     1 + [sqrt(sqrt(9))] +97
100:     1*(sqrt(9))+97

Send any comments or questions to: David Pleacher