HP introduces 28S advanced Scientific Calculators

Hewlett Packard a company which is known for its contribution in Computer and IT industry has put its step into Electronic industry, by introducing a new range of Scientific Calculators. This calculator can perform any operations that may be mathematical, Statistical and Scientific. This calculator will be handy for businessmen who travel to many places daily.

                                                                                                   Technical Specifications:

Memory

32768 bytes for stack, programs and data. Approximately 31.6 kBytes available to the user.

Contrast
adjustment

Press and hold ON then press + or – to change the contrast.

Number
resolution

·56 bit for real numbers, 12 decimal digits of precision, exponent range
±499

·64 bit for binary numbers

The Stack

The HP-28S is a stack-based calculator. For details on using the stack see STACK Menu.

Commands
and Menus

·Commands can be entered by typing their name explcitly. Most commands and functions are organized in menus, some are directly available on the keyboard. See Direct Key Commands. ·SYSEVAL is the only command which neither accessible thru the keyboard not thru a menu. See System Operations. Some commands are present in multiple menus.

Endless-loop
interruption

See System Operations. Note that a program or other lengthy operations can usually be interrupted by pressing “ON”.

Audible
feedback

Can be turned off by clearing flag 51, see Flags.

Price of this calculator is around $55 – $60 US dollars. Mostly this calculators are useful for Students and businessmen.