1! %float sequence 1? 1 %fixed sequence 2! REAL 2.1? %precision specification 2? 2 COMPLEX 2.1? %precision specification float sequence: 1 FLOAT 2? -| precision specification | 3! DECIMAL 3.1? %precision specification 3? 3 BINARY 3.1? %precision specification fixed sequence: 1 FIXED 2? -| precision specification | 3! DECIMAL 3.1? %precision specification 3? 3 BINARY 3.1? %precision specification 3.2!SIGNED 3.2? 3.2?UNSIGNED precision specification: 1?PRECISION 2 %float precision 2 %fixed precision float precision: 1 (number-of-digits) fixed precision: 1 (number-of-digits 2? ,scaling-factor 3 )