Generates flashcards to study multiplications and division of numbers up to 100. Can be imported into Anki via the File→Import option, use "Basic" type cards.

number100.js

// generates flashcards to study multiplications and division of numbers up to 100
// can be imported into Anki via the File→Import option, use "Basic" type cards
let x = {};
for (let a = 2; a <= 100; ++a)
    x[a] = [];
for (let a = 2; a < 100; ++a)
    for (let b = a; b < 100; ++b) {
        let m = a * b;
        if (m > 100)
            continue;
        x[m].push(a + '×' + b);
    }
// console.log(x);
for (const [k, v] of Object.entries(x)) {
    let s = 'primo';
    if (v.length) {
        s = v.join('\n');
        if (v.length > 1)
            s = '"' + s + '"';
    }
    console.log(k + '\t' + s);
    for (let s of v)
        console.log(s + '\t' + k);
}