The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/7.1/static/functions-math.html
Description:
The last row of table Table 4-4. Mathematical Functions seems to be wrong at
example column, current value
trunc(numeric, s integer) numeric truncate to s decimal
places round(42.4382, 2) 42.43
Possible solution
trunc(numeric, s integer) numeric truncate to s decimal
places trunc(42.4382, 2) 42.43