and annotated clouds

sending astronauts on manned missions and probing deeper into the universe

this dot grid journal begs to be filled with anatomy notes

and on the reverse are handy charts of chemical characters and symbols in use for centuries by chemists and alchemists alike

and the nervous system

Equations That Changed the World Shoulder Tote Volume_18 oz | 530 mL and annotated cloudsShow off your mathematical prowess with this deep blue and gold shoulder tote that celebrates some of the great equations that changed the world. Use it to carry your TI 89, a notebook for impromptu proofs, your favorite math text and a draft of your dissertation. This canvas bag is reversible so you can wear it with the printed design on the outside or the inside two bags in one!