You can use to enter the level numbers of a factor. Here is an easy way to enter the level numbers for a three-way crossed design with a, b, and c levels of factors A, B, C, with n observations per cell:

- Enter the levels for factor A.
- Choose , and press the F3 key to reset defaults.
- Enter
`A`in Store patterned data in. - Enter
`1`in From first value. Enter the number of levels in A in To last value. - Enter the product of bcn in Number of times to list the sequence.
- Click OK.

- Enter the levels for factor B.
- Choose , and press the F3 key to reset defaults.
- Enter
`B`in Store patterned data in. - Enter
`1`in From first value. Enter the number of levels in B in To last value. - Enter the number of levels in A in Number of times to list each value. Enter the product of cn in Number of times to list the sequence.
- Click OK.

- Enter the levels for factor C.
- Choose , and press the F3 key to reset defaults.
- Enter
`C`in Store patterned data in. - Enter
`1`in From first value. Enter the number of levels in C in To last value. - Enter the product of ab in Number of times to list each value. Enter the sample size n in Number of times to list the sequence.
- Click OK.