Evaluate expression, add leading zero to non-negative result < 10.

{{0expr| {{CURRENTDOW}} }} = 00 for {{CURRENTDOW}} = 0

{{ #expr:{{ CURRENTDOW}}}} = 0, for details see the talk page.

Code Result
{{0expr|-1}} -1
{{0expr|123/100}} 01.23
{{0expr|1+9}} 10
{{0expr|not 10}} 00
{{0expr|1=(7<=8)*9}} 09
{{0expr|(7<=8)*9|2+3}} 05