SN-205 Calculator
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.

- 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
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SN-205 Scientific Notation Calculator
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Features of the SN-205 Calculator
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