diff --git a/src/test/eo/org/eolang/math/number-tests.eo b/src/test/eo/org/eolang/math/number-tests.eo
index 8e9b0e4..0f047f8 100644
--- a/src/test/eo/org/eolang/math/number-tests.eo
+++ b/src/test/eo/org/eolang/math/number-tests.eo
@@ -665,7 +665,7 @@
         number -0.1
     $.equal-to TRUE
 
-[] > sqrt-check-float-input
+[] > sqrt-check-float-input-1
   assert-that > @
     abs.
       number
@@ -676,6 +676,25 @@
               4.0
     $.less-than 0.00000000001
 
+[] > sqrt-check-float-input-2
+  assert-that > @
+    eq.
+      1.0e-6
+      sqrt.
+        number
+          1.0e-12
+    $.equal-to TRUE
+
+[] > sqrt-check-float-input-3
+  sqrt. > val!
+    number
+      1.0e-12
+  assert-that > @
+    val
+    $.close-to
+      1.0e-6
+      1.0e-12
+
 [] > sqrt-check-int-input
   assert-that > @
     abs.