2 ms·
Microsoft Multiplan for CP/M supported that in 1982 (http://www.bitsavers.org/pdf/microsoft/cpm/Microsoft_Multiplan_for_CPM_1982.pdf http://www.bitsavers.org/pd
by Someone 4y ago
Microsoft Multiplan for CP/M supported that in 1982 (http://www.bitsavers.org/pdf/microsoft/cpm/Microsoft_Multiplan_for_CPM_1982.pdf http://www.bitsavers.org/pdf/microsoft/cpm/Microsoft_Multipl..., page 99)
I think later versions of VisiCalc did, too.