epocalc - Indian calculators

Mini Card Quartz

Calculators: Indian brands

In India calculators manufacturing started in the early 70s. In the 80s, foreign brands calculators were massively available, therefore some rare models were made during the 80's. The majority of the calculators manufactured in the country were destinated to the domestic market and because the small production quantities they were quite expensive. Only few (Calcom) were exported, therefore finding information about indian calculators is quite difficult.

Brand	Years	Models	Description
MAJOR DOMESTIC COMPANIES
Business Machines	70's	-	Business Machines Pvt. Ltd. "Aristo" brand calculators.
Calcom	1977 - 1979	14	Calcom Electronic Pvt. Ltd. First in India to develop programmable calculators. In 1979 first to export calculators to U.S.A., Poland and Russia.
DCM	1972 - 80's	-	Delhi Cloth Mills Ltd. Computers manufacturer. First indigenous calculator. "Moscal" brand calculators.
Devidayal	1974 - 1977	7	Devidayal Industries Ltd. Founded 1972.
ECIL	70's	-	Electronic Corporation of India Ltd. Founded 1967. Computer manufacturer.
HCL	1976 - 70's	5	Hindusthan Computers Ltd. Founded in 1976 by former DCM employees. Computers manufacturer.
India Electronics	70's	-	India Electronics Corp. "Quical" brand calculators.
Kerala States Electronics Development	70's	-	Kerala States Electronics Development Corp. Ltd. Founded 1973. Semiconductors manufacturer. "Keltron" brand calculators.
Meco-tronics (MECO)	70's	-	Meco-tronics Pvt. Ltd. Founded 1926. Early electronics distributor and manufacturer. "Mecom" brand calculators.
Microcomp	70's	-	Microcomp Ltd. Founded 1975. Later became HCL by merging with Up Electronics. Rebranded "Omron" brand calculators made by Televista.
NELCO	1974 - 80's	5	National Radio and Electronics Co. Ltd. Part of the Tata Group. Founded 1940. Nelco produced the first india calculator with Nixie tubes (NE 1100) and also computers and mini-computers.
Sonywell	1979	6	Sonywell Electronics Industries Pvt. Ltd. Founded 1979. No information.
Televista	70's	14	Televista Electronics Ltd. Founded 1978. Televisions manufacturer. Also developed a micro computer. Some calculators manufactured for Microcomp.
UMS	70's	9	U.M.S. Radio Factory Ltd. Founded 1957. Radio manufacturer. Also OEM for Rang.
UPTRON	70's - 80's	8	Up Electronics Co. Ltd. Televisions and computers manufacturer.
Weston	1975 - 80's	7	Weston Electroniks Pvt. Ltd. Televisions and radios manufacturer. Founded 1975.
MINOR DOMESTIC COMPANIES
Advani-Oerlikon	70's	1	Advani-Oerlikon Ltd. Founded 1952. Electronic instruments manufacturer. "Ador" brand calculators.
Applied Electronics	70's	-	Applied Electronics Pvt. Ltd. "Simple" brand calculators.
Atlas	70's	-	Atlas Radio & Electronic Industries Pvt. Ltd. No information.
Bharat	1974	1	Bharat Electronics Ltd. Founded 1954. Semiconductors manufacturer. One model, Belcal, designed in collaboration with Jadavpur University.
Bush	70's	1	Bush India Ltd. Subsidiary of UK's Bush brand. Founded 1951. Radio and home appliance manufacturer. Made a Qualitron-like calculator.
Digital	70's	1	Digital Equipment Company Ltd. No information.
Electron	70's	1	Electronic Calculators & Computers Co. No information.
Electronic Specialities	70's	-	Electronic Specialities Pvt. Ltd. "Elmer" brand calculators.
Industrial Electronics	70's	-	"Master" brand calculators.
Intronix	70's	1	Intronix (Delhi) Pvt. Ltd. No information.
Kaycee Sons	70's	-	"Candid" brand calculators.
Logitronics	70's	1	Logitronics Pvt. Ltd. Founded 1973. No information.
Multisciences	70's	1	Multisciences Corp. No information.
Multivision Electronics	70's	1	No information.
NSH Business Machines	70's	-	NSH Business Machines Pvt. Ltd. "Digical" brand calculators.
Remington (India)	70's	1	Remington Rand of India Ltd. Remington-Rand Indian subsidiary.
Shree Shyla	70's	1	Shreeshyla Timex Pvt. Ltd. Founded 1971. Also made electronic watches (with Timex).
Singh Radio	70's	-	Singh Radio Co. (India) Pvt. Ltd. "Orion" brand calculators.
Steve	70's	1	Steve Lambda & Co. No information.
Superior	70's	1	Superior Electronics Systems Pvt. Ltd. No information.
Thakral-Casio	80's	3	Thakral Computers Pvt. Ltd. Indian-made Casio calculators and pocket computers.
Telerad	70's	1	Telerad (Pvt) Ltd. Radio manufacturer. No information.
Vishal	70's	1	Vishal Electronics Pvt. Ltd. No information.
INDIAN BRANDS
Ador	1978	1	By Advani-Oerlikon.
Aristo	70's	15	By Business Machines. Not related to Aristo (Germany).
Candid	70's	3	By Kaycee Sons.
Digical	70's	15	By NSH Business Machines. Not related to Digical (Japan).
Elmer	70's	2	By Electronic Specialities.
Keltron	70's - 80's	>25	By Kerala States Electronics Development.
Logical	70's	2	By Logitronics.
Master	70's	2	By Industrial Electronics.
Mecom	70's	3	By Meco-tronics.
Moscal	70's	8	By DCM.
Multiplex	70's	3	By Multivision Electronics.
Omron	70's	6	By Microcomp. Not related to Omron (Japan).
Orion	70's	1	By Singh Radio.
Quical	70's	15	By India Electronics.
Simple	70's	5	By Applied Electronics.


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Engineer	Student	Student II	Student III	?	?	?
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Desk	Printer	Scholar	800	Banker	Executive LCD	Mini Executive
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Executive II	Economy LCD	Statistician	Mathematician	Programmable Scientist

DIGICAL
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8 MP /8 MS	8 S	8 LPS	8 LS	8 LP	8 SS	10 SJ
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10 S	10 SPR	12 PD	12 PDB	12 PPD	1204 N	1214 M



LCD-20A	?	Series 5000 Mod. 1	Series 5000 Mod. 2	?	?	?
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?	?	?			1714	1814
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2108	2510	2712	2910	5308	5408	5608/5808

QUICAL
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1200	12M1A	8M1A	14M1A	8M1 SC	PD 12	PD 12A
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ESR-1	SC1	ST1	FC1	PR 72 SC	PR 102 ST	PR 102 FC
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Mini 8M



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LC 23	PK 16	PK 20	PK 21	PK 40	PK 41	SR 5
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SR 6	SR 12	SSR 24	SM 3	SM 21	PS 7	PT 8
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PD 22


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101	201	77	Colt	ESR222	CM 18K	CM 110K
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PROM	?	111 ?	?	?	?

OTHER

ADOR -		BUSH 1479 (Engineer)		CANDID GYRO-4	CANDID CENSOR-4	CANDID 1202D
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CANDID 80	CANDID 80D	CANDID Readycall III		DCM 1101 (1975)	DCM 1080PS (1974)	MOSCAL 885
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MOSCAL 8 ESR	MOSCAL 1201	MOSCAL 1204	MOSCAL 1032 S	MOSCAL 1217 P	MOSCAL 1402	MOSCAL Compute 1004
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	EC-CAL EC-25	EC-CAL EC-31	EC-CAL EC-61	EC-CAL EC-62P	EC-CAL EC-65	EC-CAL EC-75
		?	?		?	?
EC-CAL EC-75P	EC-CAL EC-90	LOGICAL Minimarvel	LOGICAL 8M		ELMER Mini 8-S	ELMER Mini SR-8
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HCL MICRO 2200 (1976)		MECOM -	MECOM 1212PD	MECOM LC	MECOM PRO	MECOM 1212 PD
?	?	?		?		?
MULTIPLEX 123	MULTIPLEX PK 78	MULTIPLEX 5154		MASTER Masterprint D12		ORION Rising
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	NELCO NE 1100	NELCO SIGMA SERIES	NELCO SIGMA SERIES	NELCO Unknown		REMINGTON 1204
		?	?	?	?	?
	OMRON -	OMRON 01 B	OMRON 02 B	OMRON 03	OMRON 05	OMRON 06
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OMRON 707	OMRON SR 5		THAKRAL-CASIO HL-122	THAKRAL-CASIO S2	SIMPLE 008	SIMPLE 008M
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SIMPLE 012	SIMPLE 012 M	SIMPLE 112 M		WESTON Memorex	WESTON -	WESTON -
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WESTON -	WESTON Minimate	WESTON Scholar	WESTON Minimate LCD	WESTON Matrix	WESTON Newton	WESTON Printmax