OpenOffice.org is an office suite designed for word processing, spreadsheets, presentations, graphics and databases. It lets you create mathematical equations with a graphic user interface or by directly typing your formulas into the equation editor. You can also produce everything from simple diagrams to dynamic 3D illustrations... (
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The program works with the following extensions:
vor,
pps,
xlw,
dot,
sda,
sdc,
odb,
smf,
sdd,
pdt,
odf,
sds,
psw,
odg,
sdw,
pwd,
odm,
sgl,
pwi,
odp,
stc,
pwt,
ods,
std,
xlt,
odt,
sti,
sqf,
otg,
stw,
smd,
oth,
sxc,
otp,
sxd,
sfs,
ots,
sxi,
scc,
ott,
sxm,
oxt,
sxw,
pot and
fods
