Greek letters, Other characters – HP 48gII User Manual
Page 811
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Page D-3
 
Greek letters 
α
(alpha)
~‚a
β
(beta)
~‚b
δ
(delta)
~‚d
ε
(epsilon)
~‚e
θ
(theta)
~‚t
λ
(lambda)
~‚n
µ
(mu)
~‚m
ρ
(rho)
~‚f
σ
(sigma)
~‚s
τ
(tau)
~‚u
ω
(omega)
~‚v
∆
(upper-case delta)
~‚c
Π
(upper-case pi)
~‚p
Other characters
~ (tilde)
~‚1
! (factorial)
~‚2
?
(question mark) )
~‚3
\
(backward slash)
~‚5
 (angle
symbol)
~‚6
@ (at)
~‚`
 Some characters commonly used that do not have simple keystroke shortcuts 
are: 
x (x bar), γ (gamma), η (eta), Ω (upper-case omega). These characters
can be “echoed” from the CHARS screen:
…±.
 
 
 
 
 
 
 
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