The Standard Desk Calcumeter The Standard Desk Calcumeter begin-post-stats Jaap Scherphuis • 819 views end-post-stats begin-duration 6:01 end-duration Math topics: _Numeral_systems_##Numeral systems##_0_(number)_##0 (number)##_Number_##Number##_Numerical_digit_##Numerical digit Other topics: _Writing_implements_##Writing implements##_Pencil_##Pencil##_Stylus_##Stylus##_Ballpoint_pen_##Ballpoint pen video-id: VilkjdXxTKk channel_Jaap_Scherphuis_ So What Learning Numeral systems , Writing implements Saturday, January 20, 2018 Share Share
