Let x be your favorite set. Take these handsome pencils everywhere there's calculating, factoring, or figuring... After all, when's the last time someone checked your math? Go figure. Irrational Numbers / Measure for Measure / Number Systems / Sequences / π / Million, Billion, Bazillion #2 wooden pencils colorful paint-dipped ends in sets of six unique designs Timeless Keepsakes~ Trendy Kitsch~ We Have It All