from pounds & ounces to ounces & back again
(i) when all the numbers are written in decimal?
(ii) when all the numbers are written in hex?
2. How would you convert between decimal & hex? (Hint: exercise 1.)
When programs on the ZX81 to convert numerical values into the strings giving their hex representation,
& vice versa. (This is what
STR$
&
VAL
do with decimal representations.)
3. Suppose people from Venus have a total of eight fingers, without thumbs, how would their octal (base
eight) counting be useful with computers?
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