VTech PreComputer 2000 Manual page 61

5. USE THE HYPHEN KEY [ ]
This key allows you to check the spelling of hyphenated words.
EXAMPLE : If you want to find the correct way to spell "X-RAY", type it in
the way you think it should be spelled including the hyphen. If
you input "X-RA", PRECOMPUTER 2000 will display a list of
words which include the correct spelling "X-RAY".
CHAPTER 7 Calculator
The CALCULATOR key turns the PRECOMPUTER 2000 into an operational
calculator with a 14 digit memory. Use the numeric keys on the keyboard and
the 19 specially marked keys in the second and third row. To clear the screen,
use the
Ell
key at the bottom of the keyboard.
BASIC CALCULATOR OPERATION
The basic calculator symbols are:
[;;]
: Addition or
~
: Subtraction or
~
Multiplication
[;;]
Division
USING THE MEMORY FEATURES:
I
SHIFT
I
SHIFT
: Inputs the number to memory.
I+[]
I+[]
: Recalls the memory. The number saved in memory will be
shown on the screen.
: Adds the number to memory.
: Subtracts the number from memory.
60