If array index is not integer, it's transformed to integer.

If array index is not integer, it's transformed to integer. Sample code:

10 X(1) = 5
20 PRINT X(3/2)

It should return "5"

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Fix MID(S,N) Sample code:

10 PRINT MID$("WORLD", 3)

It should return "RLD"

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STR$(N) should start with a whitespace if number is positive (the sign) Sample code:

10 PRINT STR$(3)

It should return " 3"

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VAL("STRING") should return 0 Sample code:

10 PRINT VAL("ABC")

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Integer division Sample code:

10 PRINT 5 \ 2

Should return 2

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Unary plus Sample code:

10 PRINT 2++3

Should return 5