diff --git a/tests/lean/scientific.lean b/tests/lean/scientific.lean
index c6eb415eb6..ada0b9c4a8 100644
--- a/tests/lean/scientific.lean
+++ b/tests/lean/scientific.lean
@@ -1,10 +1,28 @@
 -- https://github.com/leanprover/lean4/issues/1484
-#eval 1.0e1    -- 10.000000
-#eval 1.0e+1   -- 10.000000
-#eval 1.0e-1   -- 0.1000000
+#eval 1.0e1
+#eval 1.0e+1
+#eval 1.0e-1
+#eval 1.453e-8
+#eval 0.05843E5
+#eval 8.43e6
+#eval 5.2342E-7
+#eval 123.
+#eval 123.E+3
+#eval -853.4E-2
 
-#eval 1.0e     -- error
-#eval 1.0e+    -- error
-#eval 1.0e-    -- error
-#eval 1.0e+ 1  -- error
-#eval 1.0e + 1 -- error
+-- we reject leading decimal points
+#eval .123
+#eval .123E3
+#eval .123E00003
+
+-- errors
+#eval e-8
+#eval 1.0e
+#eval 1.0e+
+#eval 1.0e-
+#eval 1.0e+ 1
+#eval 1.0e + 1
+#eval 123E
+#eval .E+03
+#eval -E3
+#eval 2e.2
diff --git a/tests/lean/scientific.lean.expected.out b/tests/lean/scientific.lean.expected.out
index 1c76d1cdc6..28b77df7e3 100644
--- a/tests/lean/scientific.lean.expected.out
+++ b/tests/lean/scientific.lean.expected.out
@@ -1,8 +1,30 @@
 10.000000
 10.000000
 0.100000
-scientific.lean:6:9: error: missing exponent digits in scientific literal
-scientific.lean:7:9: error: missing exponent digits in scientific literal
-scientific.lean:8:9: error: missing exponent digits in scientific literal
-scientific.lean:9:9: error: missing exponent digits in scientific literal
-scientific.lean:10:9: error: missing exponent digits in scientific literal
+0.000000
+5843.000000
+8430000.000000
+0.000001
+123.000000
+123000.000000
+-8.534000
+scientific.lean:14:6-14:7: error: invalid occurrence of `·` notation, it must be surrounded by parentheses (e.g. `(· + 1)`)
+scientific.lean:14:7: error: expected command
+scientific.lean:15:6-15:7: error: invalid occurrence of `·` notation, it must be surrounded by parentheses (e.g. `(· + 1)`)
+scientific.lean:15:7: error: expected command
+scientific.lean:16:6-16:7: error: invalid occurrence of `·` notation, it must be surrounded by parentheses (e.g. `(· + 1)`)
+scientific.lean:16:7: error: expected command
+scientific.lean:19:6-19:7: error: unknown identifier 'e'
+scientific.lean:19:0-19:9: error: cannot evaluate code because '_eval._lambda_1' uses 'sorry' and/or contains errors
+scientific.lean:20:9: error: missing exponent digits in scientific literal
+scientific.lean:21:9: error: missing exponent digits in scientific literal
+scientific.lean:22:9: error: missing exponent digits in scientific literal
+scientific.lean:23:9: error: missing exponent digits in scientific literal
+scientific.lean:24:9: error: missing exponent digits in scientific literal
+scientific.lean:25:9: error: missing exponent digits in scientific literal
+scientific.lean:26:6-26:8: error: invalid dotted identifier notation, unknown identifier `Nat.E` from expected type
+  Nat
+scientific.lean:26:0-26:11: error: cannot evaluate code because '_eval._lambda_1' uses 'sorry' and/or contains errors
+scientific.lean:27:7-27:9: error: unknown identifier 'E3'
+scientific.lean:27:0-27:9: error: cannot evaluate code because '_eval._lambda_1' uses 'sorry' and/or contains errors
+scientific.lean:28:7: error: missing exponent digits in scientific literal