SR-16 was developed by Texas Instruments., Released in October 25, 1974 The TI SR-16 is a scientific calculator with 8 digits precision and algebraic logic. It has 14 functions, 31 keys and an LED (light-emitting diode) display, typical of calculators of [...]
Little Professor was developed by Texas Instruments., Released in 1976 A backwards calculator designed for children ages 5 to 9. Instead of providing the answer to a mathematical expression entered by the user, it generates unsolved expressions and [...]
