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Scientific Constants (fx-570MS/
fx-991MS only)
Your calculator comes with 40 built-in scientific constants that can be used
in any mode besides BASE. Each scientific constant is displayed as a
unique symbol (such as
π ), which can be used inside of calculations.
To input a scientific constant into a calculation, press
and then input
the two-digit number that corresponds to the constant you want.
Example: To input the scientific constant c
0
(speed of light in a vacuum),
and display its value.
(c
0
)
The following shows the two-digit numbers for each of the scientific
constants.
01 (mp) proton mass
02 (mn) neutron mass
03 (me) electron mass
04
(m μ ) muon mass
05 (a
0
) Bohr radius
06 (h) Planck constant
07
( μ N) nuclear magneton
08
( μ B) Bohr magneton
09 ( ) Planck constant, rationalized
10
(α ) fine-structure constant
11 (re) classical electron radius
12
( λ
c
) Compton wavelength
13
( γ
p
) proton gyromagnetic ratio
37
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