Table:
0
A
B
C
D
E
F
1
Model - Computer name
CPU type
No. of processors
Period of operation
Maximum peak performance ( Teraflops )
Use
2
Cray XT4 - La Dôle
AMD Opteron quad-core Barcelona 2.3GHz
160 (640 cores )
May 2007 - June 2012
5.88
Numerical weather prediction ( MeteoSwiss )
3
Cray XT4 - Piz Buin
AMD Opteron quad-core Barcelona 2.3GHz
264 (1056 cores )
May 2007 - June 2012
9.71
Numerical weather prediction ( MeteoSwiss )
4
IBM System p 575 - Mont Blanc
IBM Power 5 1.5GHz
768
October 2006 - January 2010
4.6
Research ( s computer simulation )
5
Cray XT3 - Piz Palü
AMD Opteron dual-core 2.6GHz
1664 (3328 cores )
June 2005 - April 2009
17.31
Research ( s computer simulation )
6
IBM System p 690 - MPP
IBM Power 4 1.3GHz
256
2002 - 2006
1.33
Research ( s computer simulation )
7
NEC SX-4 - Gottardo
NEC SX-4 vector processor
16
1995 - 2004
0.032
Research ( s computer simulation )

Questions and formulas:
Question: Name the use for amd opteron dual-core 2.6ghz
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="AMD Opteron dual-core 2.6GHz"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7="AMD Opteron dual-core 2.6GHz"),6))
Level: medium
Question: Name the number of processors for nec sx-4 vector processor
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="NEC SX-4 vector processor"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7="NEC SX-4 vector processor"),3))
Level: medium
Question: Name the most peak performance for october 2006 - january 2010
Formula: MAXIFS(E1,D1,"October 2006 - January 2010")
Formula2: MAXIFS(E2:E7,D2:D7,"October 2006 - January 2010")
Level: easy
Question: Name the cpu type for  june 2005 - april 2009
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="June 2005 - April 2009"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,D2:D7="June 2005 - April 2009"),2))
Level: medium
Question: Name the total number of model for amd opteron dual-core 2.6ghz
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="AMD Opteron dual-core 2.6GHz"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7="AMD Opteron dual-core 2.6GHz"),1))
Level: medium
Question: Name the number of processors for october 2006 - january 2010
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="October 2006 - January 2010"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,D2:D7="October 2006 - January 2010"),3))
Level: medium