4-function with memory, red LEDs.
scientific calculator with blue flourescent display. Consumes AA cells hungrily.
pair of TI-55 calculators. These can store a program and then do complex calculations based on variables you enter, much like a home computer can be programmed to do math.
the hackers' calculator. This unit performs logical and mathematical operation on decimal, octal, and hex numbers.
The TI-30 has enough math for most of us to get by with for everyday fun, and also allows a program to be stored and then run.
This calculator not only stores programs, but allows them to be saved on small magnetic cards the unit reads into memory. It also has a special memory module with additional programs that can be inserted into the unit for more functionality. This one is for the experts.
