diff --git a/TODO.md b/TODO.md
index 940512f..afbb681 100644
--- a/TODO.md
+++ b/TODO.md
@@ -8,4 +8,6 @@
     - Non `y=` functions.
 3. Display of intersections between functions
 4. Fix integral line
-5. re-add euler's number
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+5. re-add euler's number (well it works if you use capital e like `E^x`)
+6. allow constants in min/max integral input
+7. sliding values for functions (like a user-interactable slider that adjusts a variable in the function, like desmos)
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