I have an if statement that says =if(ISBLANK(C3:F3),ROUNDUP(B3,0),b3+.01)

First off, the statement does not seem to evaluate the "roundup" part,
meaning that the statement is backwards. What I am trying to accomplish is
that if c3:f3 are blank, then I want the number in b3 to be added to .01. If
there is a character in c3:f3, then I want the number in b3 to be rounded up
to the next whole number and the answer reflected in g3.

If I were to do the formula as is, and left the row blank then it would add
..01 to b3, but if later I wanted to change the outcome and put a character
into c3:f3, shouldn't the answer automatically round b3 to the next whole
number or would I have to re-write the formula.
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Sierra