notes/lotus/WSFF5.TXT
2022-05-24 00:39:53 -04:00

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ADDENDUM to WORKSHEET FILE FORMAT Document (2-19-85):
The following supplements the discussion of the FORMULA record
type in the Worksheet File Format document.
__________________________________________________________________________
Formula Record Type
byte 0 = format
byte 1 & 2 = column
byte 3 & 4 = row
byte 5-12 = formula numeric value (IEEE long real)
byte 13 & 14 = formula size (bytes)
byte 15 & above = formula code, compiled Reverse-Polish
Internal Notation; max of 2048 bytes
Opcode Explanation
------ ------------
0 push constant...followed by 8 byte #
1 push variable...followed by 4 byte column,row...a
relative coordinate has its most significant bit set
2 push range...followed by 8 byte begin/end column,row
3 end of formula
4 parentheses
5 integer constant...followed by 2 byte integer
6 push string...followed by null terminated string
7 unused
8 unary -
9 binary +
10 binary -
11 *
12 /
13 ^
14 =
15 <>
16 <=
17 >=
18 <
19 >
20 #AND#
21 #OR#
22 #NOT#
23 unary +
24 &
25..30 unused
31 @na
32 @err
33 @abs
34 @int
35 @sqrt
36 @log
37 @ln
38 @pi
39 @sin
40 @cos
41 @tan
42 @atan2
43 @atan
44 @asin
45 @acos
46 @exp
47 @mod
48 @sel
49 @isna
50 @iserr
51 @false
52 @true
53 @rand
54 @date
55 @now
56 @pmt
57 @pv
58 @fv
59 @if
60 @day
61 @month
62 @year
63 @round
64 @time
65 @hour
66 @minute
67 @second
68 @isnumber
69 @isstring
70 @length
71 @value
72 @fixed
73 @mid
74 @chr
75 @ascii
76 @find
77 @datevalue
78 @timevalue
79 @cell pointer
80 @sum..followed by 1 byte >>> # of args
81 @avg..same as above
82 @cnt.. " " "
83 @min.. " " "
84 @max.. " " "
85 @vlookup
86 @npv
87 @var
88 @std
89 @irr
90 @hlookup
91 @dsum
92 @davg
93 @dcnt
94 @dmin
95 @dmax
96 @dvar
97 @dstd
98 @index
99 @cols
100 @rows
101 @repeat
102 @upper
103 @lower
104 @left
105 @right
106 @replace
107 @proper
108 @cell
109 @trim
110 @clean
111 @s
112 @v
113 @streq
114 @call
115 @indirect
-- end of list --