useful, thanks
speedylocs 11 months ago
make more!!we need them..i study geology and the math books are so bad written!!
eva16389 1 year ago
question, what tablet are you using. GREAT EXPLANATION. im in 11th grade and very interested in vector calculus.
erjohnson227 2 years ago
its called the iball pen tablet...
DevVonDe 2 years ago
the best explaination.............thnx a lot :)
Durofy 2 years ago
useful, thanks
speedylocs 11 months ago
make more!!we need them..i study geology and the math books are so bad written!!
eva16389 1 year ago
question, what tablet are you using. GREAT EXPLANATION. im in 11th grade and very interested in vector calculus.
erjohnson227 2 years ago
its called the iball pen tablet...
DevVonDe 2 years ago
the best explaination.............thnx a lot :)
Durofy 2 years ago