Multiplication tables: Difference between revisions

=={{header|Jsish}}==

<lang javascript>/* Multiplication tables, is Jsish */

var m, n, width, tableSize = 12;

if (console.args.length > 0) tableSize = parseInt(console.args[0]);

if (tableSize < 1 || tableSize > 20) tableSize = 12;

width = Math.floor(Math.log(tableSize * tableSize) / Math.log(10)) + 1;

var spaces = ' '.repeat(width+1);

printf(spaces);

for (m = 1; m <= tableSize; m++) printf(' %*d', width, m);

printf('\n' + ' '.repeat(width) + '+');

printf('-'.repeat((width+1) * tableSize));

for (m = 1; m <= tableSize; m++) {

printf('\n%*d|', width, m);

for (n = m; n < m; n++) printf(spaces);

for (n = 1; n <= tableSize; n++) {

if (m <= n) printf(' %*d', width, m * n); else printf(spaces);

}

}

printf('\n');</lang>

{{out}}

<pre>prompt$ jsish multiplication-tables.jsi

1 2 3 4 5 6 7 8 9 10 11 12

+------------------------------------------------

1| 1 2 3 4 5 6 7 8 9 10 11 12

2| 4 6 8 10 12 14 16 18 20 22 24

3| 9 12 15 18 21 24 27 30 33 36

4| 16 20 24 28 32 36 40 44 48

5| 25 30 35 40 45 50 55 60

6| 36 42 48 54 60 66 72

7| 49 56 63 70 77 84

8| 64 72 80 88 96

9| 81 90 99 108

10| 100 110 120

11| 121 132

12| 144

prompt$ jsish multiplication-tables.jsi 4

1 2 3 4

+------------

1| 1 2 3 4

2| 4 6 8

3| 9 12

4| 16</pre>