| In the twelfth century, there was a sudden multiplication of women's hospices, houses of reclusion, and beguinages of all sizes. |
| Basically they had to devise methods of multiplication and division which only involved addition. |
| As one might expect, multiplication of infinite decimals is more complicated than addition. |
| It made calculations in arithmetic so much easier, let alone the multiplication tables. |
| With those data, the interface might then direct the student toward help with long division rather than with multiplication. |
| That is addition, multiplication and the two inverse operations of subtraction and division. |
