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Sumlock ANITA calculator
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== Known ANITA calculator models == === Desktop models === * ANITA ''Mk VII'' - 1961, cold-cathode tube logic, full keyboard, 12-digit [[Nixie tube|''"Nixie"'']]-type tube display. * ANITA ''Mk VIII'' (aka ''Mk 8'') - 1961, cold-cathode tube logic, full keyboard, 12-digit [[Nixie tube|''"Nixie"'']]-type tube display. * ANITA ''Mk 9'' - 1964, cold-cathode tube logic, full keyboard, 12-digit [[Nixie tube|''"Nixie"'']]-type tube display, capable of chain multiplication. * ANITA ''Mk 10'' - 1965, cold-cathode tube logic, full keyboard, 12-digit [[Nixie tube|''"Nixie"'']]-type tube display, can display in Decimal or the pre-decimalisation [[Pound sterling]] Currency mode. * ANITA ''Mk 11'' - 1969, hybrid cold-cathode tube and transistor logic, 10-key keyboard, 9-digit [[Nixie tube|''"Nixie"'']]-type tube display, low cost. * ANITA ''Mk12'' - 1966, hybrid cold-cathode tube and transistor logic, 10-key keyboard, 12-digit [[Nixie tube|''"Nixie"'']]-type tube display. [[File:Anita1011-1.jpg|right|thumb|ANITA 1011]] * ANITA ''410P'' - details not known. * ANITA ''500P'' - details not known. * ANITA ''1000'' - 1969, IC & transistor logic, 10-key keyboard, 10-digit [[Nixie tube|''"Nixie"'']]-type tube display. * ANITA ''1010'' - 1969, IC & transistor logic, 10-key keyboard, 10-digit [[Nixie tube|''"Nixie"'']]-type tube display, %. * ANITA ''1011'' - 1969, IC & transistor logic, 10-key keyboard, 10-digit [[Nixie tube|''"Nixie"'']]-type tube display, memory. * ANITA ''1011P'' - 1971, IC & transistor logic, 10-key keyboard, printer, memory. * ANITA ''1020'' - 1970, IC & transistor logic, 10-key keyboard, 10-digit [[Nixie tube|''"Nixie"'']]-type tube display, square root. * ANITA ''1021'' - 1970, IC & transistor logic, 10-key keyboard, memory, 10-digit [[Nixie tube|''"Nixie"'']]-type tube display, memory, square root. [[File:Anita1011LSI-01.jpg|right|thumb|ANITA 1011 LSI]] * ANITA ''1000 LSI'' - 1971, IC logic, 10-key keyboard, 10-digit [[Nixie tube|''"Nixie"'']]-type tube display. * ANITA ''1000B LSI'' - c. 1971, IC logic, 10-key keyboard, 10-digit [[Nixie tube|''"Nixie"'']]-type tube display, AC & rechargeable batteries. * ANITA ''1011 LSI'' - 1971, IC logic, 10-key keyboard, 10-digit [[Nixie tube|''"Nixie"'']]-type tube display, %, memory. * ANITA ''1011B LSI'' - 1971, IC logic, 10-key keyboard, 10-digit [[Nixie tube|''"Nixie"'']]-type tube display, %, memory, AC & rechargeable batteries. * ANITA ''1011P'' - c. 1971, IC logic (?), 10-key keyboard, printer, %, memory. * ANITA ''1021 LSI'' - details unknown. * ANITA ''1041'' - details unknown. * ANITA ''1211 LSI'' (aka ''1211D'') - IC logic, 10-key keyboard, 12-digit "Panaplex" display, %. * ANITA ''1211P'' - 1973, IC logic (?), 10-key keyboard, printer. * ANITA ''1212D'' - 1972, IC logic (?), 10-key keyboard, 10-digit [[Nixie tube|''"Nixie"'']]-type tube display, 2 memories. * ANITA ''1212P'' - date unknown, IC logic (?), 10-key keyboard, printer. * ANITA ''1233D'' - 1972, IC logic (?), 10-key keyboard, multiple memories. * ANITA ''1233P'' - 1973, IC logic (?), 10-key keyboard, printer, multiple memories. * Rockwell-ANITA ''811 SL'' - 1974, IC logic, 10-key keyboard, 8-digit "Panaplex II" display, %, memory. * Rockwell-ANITA ''1041'' - 1975, IC logic, 10-key keyboard, 16-digit "Panaplex II" (10 digits mantissa, 2 digits exponent), scientific functions, memory. * Rockwell-ANITA ''1211'' - date unknown, IC logic, 10-key keyboard, 12-digit "Panaplex II" display, %, memory. * Rockwell-ANITA ''1211 SL'' - 1974, IC logic, 10-key keyboard, 12-digit "Panaplex II" display, %, memory. * Rockwell-ANITA ''1211P'' - 1973, IC logic, 10-key keyboard, printer. * Rockwell-ANITA ''1216'' - c. 1973, IC logic, 10-key keyboard, 12-digit "Panaplex"-type display, %, memory, made in the US, * Rockwell-ANITA ''1432'' - details unknown. === Hand-held models === [[File:Anita811-01.jpg|right|100px|thumb|ANITA 811]] * ANITA ''810'' - date unknown, 8-digit red [[LED]] display. * ANITA ''811'' - 1972, 8-digit red [[LED]] display, %, memory. The first Anita hand-held calculator. * ANITA ''831'' - date unknown, 8-digit red [[LED]] display, %, memory, square root. * ANITA ''841'' - date unknown, 8-digit red [[LED]] display, Scientific. * ANITA ''851'' - date unknown, 8-digit red [[LED]] display, metric conversion. * ANITA ''861'' - date unknown, 8-digit red [[LED]] display, Financial. * ANITA ''8041'' - date unknown, 8-digit green [[Vacuum fluorescent display]], scientific, similar to ANITA 841, made in Yugoslavia for Fi-cord International, Didsbury, Manchester, England. * Triumph-Adler ''81'' - c1972, similar to the ANITA ''811''. Made by Sumlock-Anita for [[Triumph-Adler]] and sold under both the ''"Triumph"'' and ''"Adler"'' labels. * Rockwell-ANITA ''102'' - date unknown, 8-digit red [[LED]] display, assembled in Mexico. * Rockwell-ANITA ''201'' - date unknown, 8-digit red [[LED]] display, %, memory, assembled in Mexico. * Rockwell-ANITA ''202/SR'' - date unknown, 8-digit green [[Vacuum fluorescent display]], scientific, assembled in Mexico (?). Sumlock-Anita Electronics also assembled in Britain some of the Rockwell hand-held calculators, including Rockwell models ''8R'', ''10R'', ''18R'', ''20R'', ''21R'', ''30R'', ''31R''. The "Panaplex" is a gas-discharge display, using 7 segments to represent each number, within a thin glass "sandwich". The numerals glow amber. This list of calculator models may not be complete.
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