CER (Serbian: Цифарски Електронски Рачунар – Digital Electronic Computer) model 203 is an early digital computer developed by Mihajlo Pupin Institute (Serbia) in 1971. It was designed to process data of medium-sized businesses:
In banks, for managing and processing of accounts, bookkeeping, foreign-currency and interest calculations, amortization plans and statistics
In manufacturing, for production planning and management, market data processing and forecasting, inventory management, financial document management and process modelling
In utilities, to calculate water and electricity consumption, to produce various reports and lists and for technical calculations and design
In construction industry for network planning method design, financial management and bookkeeping
In trading companies for payment processing, market analysis, inventory management and customer and partner relationship management
M.Momcilovic, D.Hristovic, P.Vrbavac et al.:"Domaci cifarski el.racunari CER", Zbornik Savetovanja AOP u preduzecima, pp. 38–58, Nova Varos YU, May 22, 1969. (in Serbian);
Miodrag Momcilovic, Miladin Dabic:"Domaci el. sistem za obradu podataka CER 203", Proc.of the VI yougoslav Symposium on AOP, Zagreb, 1972. (in Serbian).
