The Texas Instruments calculator is the great, great, grandaddy of hand held calculators. The Texas Instruments calculator was first invented and marketed in 1967 at a cost of $2,500 (that is the equivalent of $16,650 dollars in 2011.) In 1971 the single processor Texas Instruments calculator his the marketplace, dropping the cost of the hand-held calculator into the price range of a consumer product. In 1972, with the introduction of the TI-2500, the Texas Instruments [...] Read more »
Scientific Calculator Functions
A scientific calculator is for people in need of calculating science, engineering and maths. Scientific calculators boast more functions than a typical calculator, including scientific notation and fractions. Several have multi- displays and extra digits. These calculators tend to be required in classes, such as algebra, and other math lessons in school and college. They have special functions that make computations much less demanding. Some of these incude the floating point in arithmetic, features in [...] Read more »