HP F2226A - 48GII Graphic Calculator User Manual page 794

when the ~... combination is used. The special characters generated by
the ~... combination include Greek letters (α, β, ∆, δ, ε, ρ, µ, λ, σ, θ, τ, ω,
and Π), other characters generated by the ~... combination are |, ', ^,
=, <, >, /, ", \, __, ~, !, ?, <<>>, and @.
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