EC-4027 (650-0999) Features Faxback Doc. # 8550 Operational Notes To ensure trouble-free operation, please observe the following points: 1. Do not carry the calculator in the back pocket of slacks or trousers. 2. Do not subject the calculator to extreme temperatures. 3. Do not drop it or apply excessive force. 4. Clean only with a soft, dry cloth. (RLR-10/28/93)