@@ -49,8 +49,11 @@ Kamiński = 1
x₁ = 0.5
ε = 0.0001
?₁
?ε
# - change to help mode by pressing `?` key
# - type (or copy-paste) "₁" and press Enter
# - type (or copy-paste) "ε" and press Enter
# Code for listing 2.3
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