Excel Server 2008(Enterprise Edition) Web service contains most part of features for Excel Server System:
1. Support Excel functions:
ABS
AND
AVERAGE
AVERAGEA
CEILING
CHAR
CODE
CONCATENATE
COUNT
COUNTA
DATE
DATEDIF
DAY
DEC2HEX
DEC2OCT
ESF_getFldValue
EXACT
FALSE
FIND
FIXED
FLOOR
HOUR
IF
INT
LEFT
LEN
LOWER
MAX
MAXA
MID
MIN
MINA
MINUTE
MOD
MONTH
NOT
NOW
OR
RAND
REPLACE
REPT
RIGHT
ROUND
SECOND
SIGN
SIN
SUBSTITUTE
SUM
SUMIF
TIME
TRIM
TRUE
TRUNC
UPPER
VALUE
WEEKDAY
YEAR
2. Excel server Functions: