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IF/OR statement & IF/OR/AND statement

hi experts, how can i add an IF/OR statement & a IF/OR/AND to the following formula below?

1_basically if h6 = either nothing or zero qty then do nothing otherwise....
=IF(H6="","",(H6*J3*SIGN(E6)))

2_basically if h6 & C6= either nothing or zero qty then do nothing otherwise....
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Benjamin LuSAP/ERP Data Processing
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Commented:
You can try this:

1.IFERROR(H6*1,0)*J3*SIGN(E6)

2.IFERROR((H6&C6)*1,0)*J3*SIGN(E6)
Frank .SBuilding Estimator

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Commented:
no does not work, because if cell h6= zero or nothing the result must show nothing..
Mechanical Engineer
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Commented:
I suggest that we start with a good definition of what each cell is supposed to contain. We can then write formulas to calculate those values.

Assumptions:
C6 is number of repeating patterns
D6 and F6 are the length and width (in meters) of each pattern
E6 & G6 are the number of tiles (rounded up) necessary to span the length and width of the pattern
H6 is the number of tiles needed for the area being tiled, including repeats
I6 is the area (square meters) of the repeating pattern, including repeats
J6 is the area (square meters) of the tiles used, including repeats

If my assumptions are correct, the attached workbook implements them.
tiles-wall-floor_1.xlsx
Benjamin LuSAP/ERP Data Processing
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Commented:
You can try:nothing=""

1.IF(ISNUMBER(IF(H6=0,"",H6)),H6*J3*SIGN(E6),"")
=IF(ISNUMBER(IF((H6&C6)*1=0,"",(H6&C6)*1)),H6*J3*SIGN(E6),"")
Frank .SBuilding Estimator

Author

Commented:
thankyou experts for your solutions