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bèta

Bèta is the name used in some languages for the second letter of the Greek alphabet, and is also written and pronounced as beta in English. The symbol is β in lowercase and Β in uppercase. The name originates from Greek beta (βήτα). In Modern Greek the letter is pronounced vita, reflecting a phonetic shift from b to v.

In science and technology, the term beta appears in several related ways. In software development, a beta

Orthography: In certain languages with diacritics, the name can appear as bèta, with a grave accent on

release
is
a
version
of
a
program
distributed
to
selected
users
for
testing
ahead
of
the
final
product.
In
radiation
physics,
beta
refers
to
beta
radiation,
consisting
of
beta
particles
(electrons
or
positrons)
emitted
by
radioactive
decay.
In
statistics,
the
Beta
distribution
is
a
family
of
continuous
probability
distributions
on
the
interval
0
to
1,
characterized
by
two
shape
parameters;
the
Beta
function
is
an
associated
integral.
In
finance,
beta
is
a
measure
of
a
security's
sensitivity
to
overall
market
movements,
used
to
gauge
systemic
risk.
the
e,
reflecting
local
spelling
conventions.
The
concept
of
beta
also
extends
into
terminology
such
as
beta
testing,
beta
versions
of
products,
and
various
scientific
constants
and
models
that
carry
the
Greek
letter
as
a
symbol.