Hewlett-Packard HP-80
Display uses scientific notation, 10 digits mantissa, 2 digits exponent, red LED.
Has functions for business and finance calculations, such as compound interest.
3.6v (3x AA rechargeable cells in a battery pack).
80 x 149 x 36 mm (3.2" x 5.9" x 1.4").
Launched in February 1973.
Made in USA.
Price on introduction US$395.
This was the first hand-held business & finance calculator and was the second Hewlett-Packard hand-held calculator.
Like the early HP-35 models, the early HP-80 models do not have the model number on the front label.
