Vintage Canon F-502 Engineering Scientific 136 Functions Calculator w/ Cover

Product Information Large, high-contrast 10-digit Liquid Crystal Display. 136 total functions from simple addition and subtraction to advanced trigonometric and statistical calculations. Durable plastic key tops for reliable, accurate data entry. Approximately 5,300 hours of battery life with Auto Power Off after about 8 minutes of non-use. Includes removable hard cover case. Types of Calculations: Addition, subtraction, multiplication, division Chain multiplication and division Repetitive addition and subtraction Addition, subtraction, multiplication and division by a constant Percentage calculations Parentheses calculation Memory calculation Mixed calculation Octal/Binary/Hexadecimal calculation Complex number calculation: Two-variable linear and quadratic equations Statistical Calculation: Number of variates Sum of variates Square sum Mean value Standard deviation of sample Standard deviation o Condition is "Used" Condition is very good