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SN-205 Calculator
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The Scientific Notation SN-205 Calculator

The SN-205 Calculator™ is an easy to use, scientific calculator that is specifically designed for physics, mathematics and
engineering students who routinely use scientific notation or physical constants in their calculations.  It is also an excellent
teaching tool for learning and using scientific notation since it operates exclusively in scientific notation.
SN-205 Calculator

  •   Intuitive, educational design
  •   Exclusive use of the scientific notation system
  •   9-digit mantissa and 2-digit exponent displays
  •   20 preset physical constants in the International System of Units (SI)
           including:        
            Speed of light in a vacuum
           Standard acceleration of gravity                       
           Newtonian Gravitational constant                
           Unified atomic mass unit                       
           Avogadro constant                                
           Boltzmann constant                                
           Molar (Ideal) gas constant                        
           Faraday constant                                
           Electric constant (permittivity of a vacuum)       
           Magnetic constant (permeability of a vacuum)       
          Coulomb constant                                
          Stefan-Boltzmann constant                       
          Elementary charge                               
          Planck constant                               
          Electron Compton wavelength               
          Rydberg constant                               
          Bohr magnetron                                
          Electron rest mass                             
          Proton rest mass                                
          Neutron rest mass
  •   5 preset special mathematical constants
  •   18 common algebraic and trigonometric functions
  •   Pop up instructional boxes
  •   Order of magnitude table
  •   Easily accessible, instructional on-screen User’s Guide
SN-205 Scientific Notation
Calculator
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Features of the SN-205 Calculator