Keyboard Layout - HP -67 Manual

Topics
In the following pages, we will cover a few topics to get you
started with this emulation of the original HP-67 calculator:

Keyboard layout.

Manual problem solving.
Running programs.
Creating your own programs.
Printing your program listings!
Creating charts!
Instructions on using the built-in program and chart cards.
Keyboard Layout
Each key on the keyboard can have up to three sub-functions
depending on which shift-key is chosen first. The functions
are colored the same as the shift-key: !
For example, this key has three possible shifted functions:
Black: 1/x, Yellow: SIN, Blue: SIN
, ! , or !
-1
.