Commodore Plus 4 - Page 70

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FIRST Your Plus/4 checks for negative numbers (not subtraction,
just negative numbers).
SECOND Your Plus/4 solves any exponents
THIRD: Your Plus/4 solves all multiplications and divisions, from left
to right.
FOURTH Your Plus/4 solves additions and subiractions. from left
to right
NOTE: Your Plus/4 always solves any portion of the problem
surrounded by parentheses first. You can even put parentheses
within parentheses: 36* (12 + (A/ 3)). The contents of the inner
most parentheses are solved first.
Sometimes it's a good idea to put negative numbers in parentheses
for clarity. For example, if you want to multiply 45 by - 5. type it like this
45*:(-5). Your Plus/4 can understand with or without parentheses.
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