Mantissa; Storage Registers - HP -33E Owner's Handbook Manual

Mantissa
When in any display format you wish to view the contents of the true
mantissa (all decimal places), press ( @ .+ and hold the key down.
This operation displays all 10 digits of the mantissa held internally.
Release the key and the display will revert back to its original contents.
For more information on display formatting refer to Display Control in
Solving Problems With Your Hewlett-Packard Calculator.
Storage Registers
In addition to the power that exists in the four-register automatic
memory stack and LAST X register, your HP-33E contains eight
addressable data storage registers and 49 lines of program memory.
Storage registers R, through R; also serve as statistical storage registers.
For information concerning data storage registers refer to Storing and
Recalling Numbers in Solving Problems With Your Hewlett-Packard
Calculator. Statistical registers and programming are discussed later in
this handbook.
Program Memory Automatic Memory Storage
Stack Registers
00
T DI -, EEDTE
01- 13 00
— 2 EXIITEEEE - EXIIIEE
02- 13
vy EEIITHE -. ENTITEE
03- 13 00
00 13 00 Display Rs — 2x
X EHITHEEEE -, EETITEE S
LAST X
48- 13 00 KX - BRI
49- 13 00 R, IEECTTTEE >~y