:set -isrc
-- Load everything.
-:l src/Roots/Simple.hs src/Aliases.hs src/TwoTuple.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> "