Template which rounds it's argument the closest even integer.
No rounding:
{{RoundToEven|1}}: 1 == 1
{{RoundToEven|2}}: 2 == 2
{{RoundToEven|3}}: 3 == 3
Normal rounding:
{{RoundToEven|0.4}}: 0 == 0
{{RoundToEven|0.6}}: 1 == 1
{{RoundToEven|1.4}}: 1 == 1
{{RoundToEven|2.6}}: 3 == 3
Rounding to even:
{{RoundToEven|0.5}}: 0 == 0
{{RoundToEven|1.5}}: 2 == 2
{{RoundToEven|2.5}}: 2 == 2
{{RoundToEven|3.5}}: 4 == 4