Items

Description

Value

 

 

 

 

{TH}

Classical electron radius

2.81794028510–15m

{'µ}

Characteristic impendence of

376.730313461

 

vacuum

 

 

{λF}

Compton wavelength

2.426310215

10–12m

{λFQ}

Neutron Compton wavelength

1.31959089810–15m

{λFR}

Proton Compton wavelength

1.32140984710–15m

{α}

Fine structure constant

7.29735253310–3

{σ}

Stefan–Boltzmann constant

5.670410–8W m–2K–4

{V}

Celsius temperature

273.15

{aVP}

Standard atmosphere

101325 Pa

{ R}

Proton gyromagnetic ratio

267522212 s–1T–1

{}

First radiation constant

37417710710–16W m2

{}

Second radiation constant

0.014387752 m K

{µ}

Conductance quantum

7.74809169610–5S

Reference: Peter J.Mohr and Barry N.Taylor, CODATA Recommended Values of

the Fundamental Physical Constants: 1998, Journal of Physical and Chemical Reference Data,Vol.28, No.6,1999 and Reviews of Modern Physics,Vol.72, No.2, 2000.



To insert a constant:

1.Position your cursor where you want the constant inserted.

2.Press žto display the physics constants menu.

3.Press —˜™š(or, you can press žto access the next page, one page at a time) to scroll through the menu until the constant you want is underlined, then press ‘to insert the constant.

Conversion Functions

There are four types of conversions: coordinate (polar/rectangular), angular (degrees/radians), time (decimal/minutes–seconds), and unit (cm/in, °C/°F, l/gal, kg/lb).

Real–Number Functions 4–9