FIGURE CabriII vers. MS-Windows 1.0

Used macro

double points of involution(radical axis), no name
Icon:
0000000000000000
0000000000000000
00FF00000000FF00
00FFF000000FFF00
00FFFF0000FFFF00
00FF0FF00FF0FF00
00FF00FFFF00FF00
00FF000FF000FF00
00FF00000000FF00
00FF00000000FF00
00FF00000000FF00
00FF00000000FF00
00FF00000000FF00
0000000000000000
0000000000000000
0000000000000000
Help:
"Given 
1) a straighe line
2) two pair points
3) two pair points
To construct the double points of involution deterimined by two pair of points."
Mth: 0
CN:5, ON:13, FN:2, PO:11
CT:
line, CS 0, Bl, W, t, DS:1 1, GT:0, V, nSt
point, CS 0, Bl, W, t, DS:1 1, GT:1, V, nSt
point, CS 0, Bl, W, t, DS:1 1, GT:1, V, nSt
point, CS 0, Bl, W, t, DS:1 1, GT:1, V, nSt
point, CS 0, Bl, W, t, DS:1 1, GT:1, V, nSt
Const:
Mid, Mth:0, 0, 0, CN:2, VN:1, Const: 5 4
Cir, Mth:1, 0, 0, CN:2, VN:2, Const: 6 5
Mid, Mth:0, 0, 0, CN:2, VN:1, Const: 3 2
Cir, Mth:1, 0, 0, CN:2, VN:2, Const: 8 3
Inv, Mth:0, 0, 0, CN:2, VN:1, Const: 6 9
Inv, Mth:0, 0, 0, CN:2, VN:1, Const: 8 7
Mid, Mth:0, 0, 0, CN:2, VN:1, Const: 10 11
Mid, Mth:0, 0, 0, CN:2, VN:1, Const: 12 6
Cir, Mth:1, 0, 0, CN:2, VN:2, Const: 13 12
Int, Mth:3, 0, 0, CN:2, VN:1, Const: 7 14
Cir, Mth:1, 0, 0, CN:2, VN:2, Const: 12 15
Int, Mth:1, 1, 32768, CN:2, VN:1, Const: 1 16, R, W, t, DS:1 1, GT:1, V, nSt
Int, Mth:1, 1, 33024, CN:2, VN:1, Const: 1 16, R, W, t, DS:1 1, GT:1, V, nSt

Figure description:

Window center x: 0.15875 y: 1.16416666666667 Window size x: 16.2454166666667 y: 9.68375

1: Pt, 0, CN:0, VN:1
R, W, t, DS:1 1, GT:1, I, nSt
Val: 0 0

2: Axes, 1, CN:1, VN:3
Gr, W, t, DS:1 1, GT:0, I, nSt
Const: 1, Val: 1 0, 0 1

3: Pt, 0, CN:0, VN:1
R, W, t, DS:1 1, GT:1, I, nSt
Val: -6.32354166666667 3.28083333333333

4: Line, 0, CN:1, VN:2
B, W, t, DS:1 1, GT:0, V, nSt
Const: 3, Val: 1 0

"A", NP: -31, -114, NS: 10, 18
5: Pt, 0, CN:0, VN:1
R, W, t, DS:1 1, GT:1, V, nSt
Val: -0.291041666666667 2.88395833333333
p: 0, System, S: 0 C: 3 Fa: 0

"B", NP: -57, -28, NS: 12, 18
6: Pt, 0, CN:0, VN:1
R, W, t, DS:1 1, GT:1, V, nSt
Val: -1.08479166666667 0.846666666666667
p: 0, System, S: 0 C: 3 Fa: 0

"C", NP: 54, 6, NS: 11, 18
7: Pt, 0, CN:0, VN:1
R, W, t, DS:1 1, GT:1, V, nSt
Val: 1.32291666666667 -0.0529166666666667
p: 0, System, S: 0 C: 3 Fa: 0

"D", NP: 73, -83, NS: 12, 18
8: Pt, 0, CN:0, VN:1
R, W, t, DS:1 1, GT:1, V, nSt
Val: 1.79916666666667 1.87854166666667
p: 0, System, S: 0 C: 3 Fa: 0

9: Line, 0, CN:2, VN:2
lBl, W, t, DS:1 1, GT:0, I, nSt
Const: 6 5

10: Line, 0, CN:2, VN:2
lBl, W, t, DS:1 1, GT:0, I, nSt
Const: 7 8

11: Int, 0, CN:2, VN:1
lBl, W, t, DS:1 1, GT:1, I, nSt
Const: 4 9

12: Int, 0, CN:2, VN:1
lBl, W, t, DS:1 1, GT:1, I, nSt
Const: 4 10

13: Line, 0, CN:2, VN:2
lBl, W, t, DS:1 1, GT:0, I, nSt
Const: 7 5

14: Line, 0, CN:2, VN:2
lBl, W, t, DS:1 1, GT:0, I, nSt
Const: 6 8

15: Int, 0, CN:2, VN:1
lBl, W, t, DS:1 1, GT:1, I, nSt
Const: 4 13

16: Int, 0, CN:2, VN:1
lBl, W, t, DS:1 1, GT:1, I, nSt
Const: 4 14

Ma: double points of involution(radical axis), Const: 4 i: 0 11 i: 0 12 i: 0 16 i: 0 15 i: 0
"s", NP: -89, -143, NS: 10, 18
28: Ma R, F No1, VN:1
O, W, t, DS:1 1, GT:1, I, nSt
p: 0, System, S: 0 C: 2 Fa: 0

"s", NP: 22, -143, NS: 10, 18
29: Ma R, F No2, VN:1
O, W, t, DS:1 1, GT:1, I, nSt
p: 0, System, S: 0 C: 2 Fa: 0

30: Con, 1, CN:5, VN:6
R, W, t, DS:1 1, GT:0, V, nSt
Const: 28 6 7 8 5

31: Con, 4294967295, CN:5, VN:6
R, W, t, DS:1 1, GT:0, V, nSt
Const: 29 8 7 6 5