According to the Notice of the Provincial Department of Education on the Use of Scientific Calculators in Junior High School Mathematics Classes in Some Areas of Our Province (Guangdong Teaching and Research Institute [2000] No.3) and the Notice of the Municipal Education Bureau on the Use of Scientific Calculators in Junior High School Mathematics in Guangzhou, candidates can use scientific calculators in the academic examinations of junior high school graduates in Guangzhou. The use of scientific calculators is stipulated as follows: 1. In order to embody the principles of fairness, justice and openness and determine the functional boundaries of calculators, the functions and models of calculators that can be used in the academic examinations of junior high school graduates in our city are stipulated as follows: 1. You can use a calculator with the following functions: (1) Four operations: (3) Angle and radian are interactive; (4) Find that sinx, cosx and tgx(5) can perform statistical operations; (6) keep the operation process; (7) Digital storage and extraction. 2. It is forbidden to use calculators with the following functions: (1) with programmable logic; (2) directly solving the equation; (3) storage of fixed formulas; (4) There are preset constants; (5) PDA equipment with wireless reception or special functions, such as electronic dictionary and PDA. 3. Available calculator models are as follows: (1) Casio FX-82TL, Casio FX-82MS, Casio FX-82ES；; (2) Southern Yan CZ- 1206D, CZ- 1206E, CZ- 1206F, cz-1206fb; (3) CZ-1206; (4) Shennan geese are of LF- 1 18B type and LF- 1 18C-A type. In view of the fact that a small number of students in our city use calculators of other brands. Calculators that meet the above functional limitations and available functions can also enter the examination room. Calculators outside the specified model shall be examined and approved by the graduate school where the candidate is located according to the specified functional restrictions, and other calculators that have been examined and approved shall be reported to the corresponding examination room school. The school where the examination room is located will print and distribute the available calculator models reported by the candidates' middle school to the examiner as the basis for testing the candidates' use of calculators in the examination. Second, before the examination, the municipal admissions office should formulate corresponding examination room rules and candidates' instructions, and publicize them through the Guangzhou Senior Middle School Admissions Guide, major news media and websites. Education bureaus and schools in all districts and counties should do a good job in promoting candidates and guide candidates to prepare their own designated calculators before the exam. Candidates are not allowed to bring into the examination room except the calculators of the specified model or passed the inspection, otherwise they will be treated as cheating.