diff --git a/TODO.FACTOR.txt b/TODO.FACTOR.txt
index ec5b323971..fd780195b8 100644
--- a/TODO.FACTOR.txt
+++ b/TODO.FACTOR.txt
@@ -41,3 +41,22 @@
 - better i/o scheduler
 - if two tasks write to a unix stream, the buffer can overflow
 - inference bug
+- test cases:
+- float not commutative bug
+  : a 237241607 1516.925984289192 3036109462846 913470293/554864
+    max min * 994.5872660892654 306803761/112249 -216866846 + -
+    max 6073750751093 364.7737275664338 3629914314951 + max max
+    9630706289317 6275800738949 179761544 + + + 88005566/945
+    2358.939297157175 1365.124822588899 max max - 61906796
+    388692629/82301 342893943/210229 * min * 381.5493627025407
+    10548296/49539 996.7264162840083 * + - ;
+
+- min/max inline bug
+  : math-dummy
+    1507049 1812.446640674088 2682190027553 7662348747253 max
+    max max 175956841558 9163603105116 100680937 max min min
+    67305963/106562 78534496 63.25709285387058 max + min
+    116934358/596083 124000630 27821944/48045 - + max
+    357331489/880112 1760057/587415 7297976710833 - * max
+    -113698191 1404.610575779506 51191522 * * -
+    1977.861343144055 -50892488 947579163/437404 * min * ;