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To ignore #N/A values in a range when using a MIN or MAX formula, you can use the IFERROR function. Here's how:

Start by typing your MIN or MAX formula as you normally would, but instead of selecting the range of values directly, use the IFERROR function to check each value in the range for errors.
The syntax for the IFERROR function is:
Code:
```
IFERROR(value, value_if_error)
```
. In this case, we want to check each value in the range for errors, so we'll use the range as the "value" argument.
Inside the IFERROR function, we'll use an IF function to check each value in the range for errors. The syntax for the IF function is:
Code:
```
IF(logical_test, value_if_true, value_if_false)
```
. In this case, we want to check if each value in the range is an error, so our logical_test will be
Code:
```
ISERROR(value)
```
.
If the value is an error, we'll return a blank cell ("") as the value_if_true. If the value is not an error, we'll return the value itself as the value_if_false.
Here's what the final formula will look like:
Code:
```
=MIN(IFERROR(IF(ISERROR(range),"",range),range))
```
Press enter to complete the formula. The MIN function will now ignore any #N/A values in the range and return the minimum value of the remaining values.

Note: This same process can be used for the MAX function as well.