2 adjectives to describe arithmetick

Thou learnedest arithmetick.

About a month ago, Tent and Turkey-stitch seemed at a stand; my wife knew not what new work to introduce; I ventured to propose that the girls should now learn to read and write, and mentioned the necessity of a little arithmetick; but, unhappily, my wife has discovered that linen wears out, and has bought the girls three little wheels, that they may spin huckaback for the servants' table.

2 adjectives to describe  arithmetick