diff --git a/scripts/pycalc3 b/scripts/pycalc3
new file mode 100755
index 0000000..e5154b7
--- /dev/null
+++ b/scripts/pycalc3
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+for python in bpython python3; do
+  if python="$(command -v "$python")"; then
+    break
+  fi
+done
+echo "using Python '$python'"
+PYTHONSTARTUP="$(dirname "$0")/pycalc_startup.py" "$python" "$@"
diff --git a/scripts/pycalc_startup.py b/scripts/pycalc_startup.py
new file mode 100644
index 0000000..7cc169b
--- /dev/null
+++ b/scripts/pycalc_startup.py
@@ -0,0 +1,3 @@
+from math import *
+
+print("loaded Python calculator")