LBL 'BINET' ; Key: 21 'BINET' AVIEW PSE FIX 00 'N ?' PROMPT STO 00 5 SQRT 1 + 2 / RCL 00 Y^X 5 SQRT / 5 SQRT 1 - 2 / RCL 00 Y^X 5 SQRT / - STOP END