This operation takes a string value and maps it to a real value.  The first character in the string is used to lookup a real value from the table below:
| Character | 
Real Value | 
| ■ | 
0 | 
| <space> | 
32 | 
| ! | 
33 | 
| \ | 
34 | 
| # | 
35 | 
| $ | 
36 | 
| % | 
37 | 
| & | 
38 | 
| ' | 
39 | 
| ( | 
40 | 
| ) | 
41 | 
| * | 
42 | 
| + | 
43 | 
| , | 
44 | 
| - | 
45 | 
| . | 
46 | 
| / | 
47 | 
| 0 | 
48 | 
| 1 | 
49 | 
| 2 | 
50 | 
| 3 | 
51 | 
| 4 | 
52 | 
| 5 | 
53 | 
| 6 | 
54 | 
| 7 | 
55 | 
| 8 | 
56 | 
| 9 | 
57 | 
| : | 
58 | 
| ; | 
59 | 
| < | 
60 | 
| = | 
61 | 
| > | 
62 | 
| ? | 
63 | 
| @ | 
64 | 
| A | 
65 | 
| B | 
66 | 
| C | 
67 | 
| D | 
68 | 
| E | 
69 | 
| F | 
70 | 
| G | 
71 | 
| H | 
72 | 
| I | 
73 | 
| J | 
74 | 
| K | 
75 | 
| L | 
76 | 
| M | 
77 | 
| N | 
78 | 
| O | 
79 | 
| P | 
80 | 
| Q | 
81 | 
| R | 
82 | 
| S | 
83 | 
| T | 
84 | 
| U | 
85 | 
| V | 
86 | 
| W | 
87 | 
| X | 
88 | 
| Y | 
89 | 
| Z | 
90 | 
| [ | 
91 | 
| \ | 
92 | 
| ] | 
93 | 
| ^ | 
94 | 
| _ | 
95 | 
| ` | 
96 | 
| a | 
97 | 
| b | 
98 | 
| c | 
99 | 
| d | 
100 | 
| e | 
101 | 
| f | 
102 | 
| g | 
103 | 
| h | 
104 | 
| i | 
105 | 
| j | 
106 | 
| k | 
107 | 
| l | 
108 | 
| m | 
109 | 
| n | 
110 | 
| o | 
111 | 
| p | 
112 | 
| q | 
113 | 
| r | 
114 | 
| s | 
115 | 
| t | 
116 | 
| u | 
117 | 
| v | 
118 | 
| w | 
119 | 
| x | 
120 | 
| y | 
121 | 
| z | 
122 | 
| { | 
123 | 
| | | 
124 | 
| } | 
125 | 
| ~ | 
126 | 
| ▓ | 
127 | 
| ÷ | 
129 | 
| × | 
130 | 
| √ | 
131 | 
| ∫ | 
132 | 
| ∑ | 
133 | 
| ▶ | 
134 | 
| π | 
135 | 
| ∂ | 
136 | 
| ≤ | 
137 | 
| ≥ | 
138 | 
| ≠ | 
139 | 
| ∝ | 
140 | 
| → | 
141 | 
| ← | 
142 | 
| μ | 
143 | 
| ° | 
145 | 
| ≪ | 
146 | 
| ≫ | 
147 |