Functions, procedures
function safediv
function safediv(
p_value_1 in number,
p_value_2 in number
) return number
safe division by zero
function get_fnum
function get_fnum(
p_value in number,
p_decimals in number:=2
) return number
get number formatted with specified number of decimals
function is_within_pct_of_value
function is_within_pct_of_value(
p_value1 in number,
p_value2 in number,
p_pct in number
) return boolean
return true if value is within given percentage of other value