|HP codename, series||unknown, Classic.
|Type, Precision, Input mode||Business, 13 BCD digits, exponent ±99, Reverse Polish Notation|
|Memory||2 registers M and K, not permanent|
|Display||13 digit 7 segment red LED plus sign|
|Special features||2 memory locations M and K. K powers up with the value of 12.
|Original Pricing, Production||$275, 1974 - 1975
|Batteries||3x AA battery pack equipped with 1.5V rechargeable or normal batteries.|
|Dimensions||Length 15.1cm, Width 8cm, Height 3.6cm|
|Links||HP-70 Owner's Handbook, PDF, 125 pages, English, July 1974
HP-70 Demonstration Book, PDF, 17 pages, English, unknown release date
|Comment||The HP-70 was a cheaper version of the more powerful HP-80.
It had a very short life and was quickly replaced by the cheaper and
more powerful HP-22. Only relatively few HP-70 units were sold and as a
result they are rare, and nowadays difficult and expensive to get.
|Explanation of financial function keys.|
To reset all values to 0 press "CLR"
To enter a value for a variable, key in the number and press the associated button.
To calculate a value press the desired button without entering a number. Based on the numbers stored in the other four variables, the solution is calculated.
|Back To Contents|