$start = 1;
$end = 10;
for($i = $start; $i <= $end; $i++)
echo " " . $i;
echo "\n";
for ($i = $start; $i <= $end; $i++) {
echo $i . ": ";
for ($j = $start; $j <= $end; $j++) {
echo number_format($i / $j, 2, '.', '') . " ";
}
echo "\n";
}
/*
run:
1 2 3 4 5 6 7 8 9 10
1: 1.00 0.50 0.33 0.25 0.20 0.17 0.14 0.13 0.11 0.10
2: 2.00 1.00 0.67 0.50 0.40 0.33 0.29 0.25 0.22 0.20
3: 3.00 1.50 1.00 0.75 0.60 0.50 0.43 0.38 0.33 0.30
4: 4.00 2.00 1.33 1.00 0.80 0.67 0.57 0.50 0.44 0.40
5: 5.00 2.50 1.67 1.25 1.00 0.83 0.71 0.63 0.56 0.50
6: 6.00 3.00 2.00 1.50 1.20 1.00 0.86 0.75 0.67 0.60
7: 7.00 3.50 2.33 1.75 1.40 1.17 1.00 0.88 0.78 0.70
8: 8.00 4.00 2.67 2.00 1.60 1.33 1.14 1.00 0.89 0.80
9: 9.00 4.50 3.00 2.25 1.80 1.50 1.29 1.13 1.00 0.90
10: 10.00 5.00 3.33 2.50 2.00 1.67 1.43 1.25 1.11 1.00
*/
