Figure CabriII vers. MacOS 1.1.5

Used macro(s):

Ellipse                    , no name
Icon:
000000000000000F
000000000000FF00
000F00FFFF00000F
0F0F0000FFFF00FF
00F000000000F000
0F00FFF00FFF000F
000F00F000FFF00F
0F0F0000FFFF00FF
00F000000000F000
000000F00000000F
000000000000FF00
0FF00FFF0FF00000
00FF00F00000F0F0
000F00FFFF00000F
0F0F0000FFFF00FF
00F000000000F000
Mth: 0
CN:3, ON:15, FN:5, PO:14
CT:
point, CS 0, R, W, t, DS:1 1, GT:1, V, nSt
point, CS 0, R, W, t, DS:1 1, GT:1, V, nSt
point, CS 0, R, W, t, DS:1 1, GT:1, V, nSt
Const:
Line, Mth:1, 0, 0, CN:2, VN:2, Const: 3 1
PBiss, Mth:0, 0, 0, CN:2, VN:2, Const: 3 1
Refl, Mth:0, 1, 0, CN:2, VN:1, Const: 2 5, R, W, t, DS:1 1, GT:1, I, nSt
Refl, Mth:0, 1, 0, CN:2, VN:1, Const: 2 4, R, W, t, DS:1 1, GT:1, I, nSt
Refl, Mth:0, 1, 0, CN:2, VN:1, Const: 6 4, R, W, t, DS:1 1, GT:1, I, nSt
Int, Mth:0, 0, 0, CN:2, VN:1, Const: 4 5
Lgth, Mth:1, 0, 0, CN:2, VN:1, Const: 3 2
Lgth, Mth:1, 0, 0, CN:2, VN:1, Const: 2 1
Formula, Mth:0, 0, 1, CN:2, VN:1, Const: 10 11, formula: (a+b) ÷ 2
Transf, Mth:2, 0, 0, CN:2, VN:2, Const: 2 12
Mid, Mth:0, 0, 0, CN:2, VN:1, Const: 13 9
Sym, Mth:0, 0, 0, CN:2, VN:1, Const: 2 14
Cir, Mth:1, 0, 0, CN:2, VN:2, Const: 9 15
Int, Mth:1, 1, 256, CN:2, VN:1, Const: 4 16, R, W, t, DS:1 1, GT:1, I, nSt
Con, Mth:0, 1, 1, CN:5, VN:5, Const: 17 2 6 8 7, Bl, W, t, DS:1 1, GT:0, V, nSt

Figure description:

Window center x: -3.33_ y: -3.66_

1: Pt, 0, CN:0, VN:1
R, W, t, DS:1 1, GT:1, I, nSt
Val: -6.53_ -2.9

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

3: Pt/, 1, CN:1, VN:3
R, W, t, DS:1 1, GT:1, V, nSt
Const: 2, Val: -2.73_ -2.9

4: Cir, 0, CN:2, VN:2
Bl, W, t, DS:1 1, GT:0, V, nSt
Const: 1 3

"Friend", NP: -144, 32, NS: 45, 15
5: Pt, 0, CN:0, VN:1
R, W, t, DS:1 1, GT:1, V, nSt
Val: -4.03_ -1.7
p: 0, Times, S: 14 C: 15 Fa: 0

"You", NP: -290, 78, NS: 31, 15
6: Pt, 0, CN:0, VN:1
R, W, t, DS:1 1, GT:1, V, nSt
Val: -9.66_ -3.46_
p: 0, Times, S: 14 C: 15 Fa: 0

"P
", NP: -131, 181, NS: 15, 15
7: Pt/, 0, CN:1, VN:3
R, W, t, DS:1 1, GT:1, V, nSt
Const: 4, Val: -4.39174317834526 -6.03904310388662
p: 0, Times, S: 14 C: 15 Fa: 0

8: Seg, 0, CN:2, VN:2
V, W, t, DS:1 1, GT:0, V, nSt
Const: 6 7

9: Seg, 0, CN:2, VN:2
V, W, t, DS:1 1, GT:0, V, nSt
Const: 7 5

Ma: Ellipse                    , Const: 6 i: 0 7 i: 0 5 i: 0
12: Ma R, F No1, VN:1
R, W, t, DS:1 1, GT:1, I, nSt

13: Ma R, F No2, VN:1
R, W, t, DS:1 1, GT:1, I, nSt

14: Ma R, F No3, VN:1
R, W, t, DS:1 1, GT:1, I, nSt

23: Ma R, F No4, VN:1
R, W, t, DS:1 1, GT:1, I, nSt

24: Text, 0, CN:0, VN:1
B, W, BTh:1, DS:1 1, GT:0, V, nSt
Val: -22 -31 0, A, nP, TP: -0.73_, 1.03_, TS: 6.1, -3.5
"This sketch shows the circular pool.  Make an ellipse with foci at ""you"" and ""friend"" passing through P. (Select You, then P, then Friend.) 

Then move P."
p: 0, Times, S: 14 C: 15 Fa: 0