:set -isrc
-- Load everything.
-:l src/Roots/Simple.hs
+:l src/Roots/Simple.hs src/Aliases.hs src/TwoTuple.hs src/Integration/Trapezoid.hs
+
+-- Just for convenience.
+import Data.Number.BigFloat
+
+import Aliases
+import TwoTuple
+import Integration.Trapezoid
-- Use a calmer prompt.
:set prompt "numerical-analysis> "