The Astounding Curta Mechanical Calculator The Astounding Curta Mechanical Calculator begin-post-stats rregister • 489K views end-post-stats begin-duration 6:44 end-duration Math topics: _Integers_##Integers##_0_(number)_##0 (number)##_Subtraction_##Subtraction##_7000_(number)_##7000 (number)##_Mathematical_notation_##Mathematical notation##_Multiplication_##Multiplication##_Numerical_digit_##Numerical digit##_Number_##Number Other topics: _Office_equipment_##Office equipment##_Processor_register_##Processor register##_Mechanical_calculator_##Mechanical calculator##_Calculator_##Calculator##_Subfields_of_physics_##Subfields of physics##_Electricity_##Electricity##_Rotation_##Rotation##_Mechanics_##Mechanics video-id: HYsOi6L_Pw4 channel_rregister_ So What Learning Integers , Mathematical notation , Office equipment , Subfields of physics Sunday, January 21, 2018 Share Share