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Task/Unicode-variable-names/NetRexx/unicode-variable-names.netrexx

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+/* NetRexx */
+options replace format comments java crossref symbols nobinary
+
+upperΔ = 1
+Δupper = upperΔ
+lowerδ = 2
+δlower = lowerδ
+
+say upperΔ '+' Δupper '= \-'
+upperΔ = upperΔ + Δupper
+say upperΔ
+
+say lowerδ '+' δlower '= \-'
+lowerδ = lowerδ + δlower
+say lowerδ
+say
+
+-- Unicode works with the NetRexx built-in functions
+Υππερ = '\u0391'.sequence('\u03a1') || '\u03a3'.sequence('\u03a9') -- ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ
+Λοωερ = '\u03b1'.sequence('\u03c1') || '\u03c3'.sequence('\u03c9') -- αβγδεζηθικλμνξοπρστυφχψω
+say Υππερ'.Lower =' Υππερ.lower()
+say Λοωερ'.Upper =' Λοωερ.upper()
+say
+
+-- Note: Even with unicode characters NetRexx variables are case-insensitive
+numeric digits 12
+δ = 20.0
+π = Math.PI
+θ = Π * Δ
+σ = Θ ** 2 / (Π * 4) -- == Π * (Δ / 2) ** 2
+say 'Π =' π', diameter =' δ', circumference =' Θ', area =' Σ
+
+return