ROUND(E1,E2)#NUM!ISNUMBER(A1)11.7976931348623157E+308ROUND(E1,E3)#NUM!ISERROR(A1)0-308ROUND(E1,E4)#NUM!A1+0#NUM!-307ROUND(-E1,E2)#NUM!A1*1#NUM!0A1=A11TEXT(A1,"0")#VALUE!ROUND(A1,0)#NUM!ERROR.TYPE(A1)#N/AA1#NUM!SUM(A1)#NUM!SUM(A1:A2)#NUM!ISNUMBER(A2)1A2+0#NUM!TYPE(A1)1MAX(A1)#NUM!IFERROR(A1,"err")#NUM!A1>01ROUND(A3,0)#NUM!N(A1)#NUM!A1-A1#NUM!ABS(A1)#NUM!-A1#NUM!A4#NUM!ISNUMBER(A3)1