a. Single precision:

Response	Count	Percent
Very Frequently	17	8%
Frequently	22	10%
Sometimes	39	19%
Rarely	56	27%
Never	67	33%

b. Double precision:

Response	Count	Percent
Very Frequently	185	86%
Frequently	23	10%
Sometimes	4	1%
Rarely	3	1%
Never		0%

c. More than double precision:

Response	Count	Percent
Very Frequently	9	4%
Frequently	15	7%
Sometimes	24	11%
Rarely	63	31%
Never	91	45%

d. Complex single precision:

Response	Count	Percent
Very Frequently	5	2%
Frequently	17	8%
Sometimes	34	17%
Rarely	45	22%
Never	98	49%

e. Complex double precision:

Response	Count	Percent
Very Frequently	80	38%
Frequently	29	14%
Sometimes	36	17%
Rarely	17	8%
Never	45	21%

f. Complex, more than double precision:

Response	Count	Percent
Very Frequently	4	2%
Frequently	12	6%
Sometimes	16	8%
Rarely	41	20%
Never	124	62%