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Paul, I don't know if I'm understanding what you mean.

Supposing this is the array I want to sort:

Array(1,1) = 10
Array(1,2) = 15
Array(1,3) = 20
Array(2,1) = 1
Array(2,2) = 5
Array(2,3) = ...

I've tried to sort an array with dimension = 2, by each dimension, but I didn't get to.

I'm supposing that ISORT subroutine has no other parameters to sort by each dimension of the array. I didn't ...

You are right John!

The first code I posted is very slow when sorting more than 1000 array elements.

The code you posted as 'Scan' is much, much... faster than mine too.

To sort 10000 ele ...

Thank you Paul and John, I've been working around following your posted ideas, using MAXVAL and MAXLOC.

Although my first intention was to get 3 biggest values of an array, now I can get all the a ...

I want to know the 3 biggest values inside an array using Maxval(array).

The biggest value I know how to get it like this:

Biggest(1) = Maxval(array)

Now, I'd like to consider the remaining ...

This topic points out some solutions for beginners:

http://forums.silverfrost.com/viewtopic.php?t=133

Thanks John

that's a good issue: where exists a good text, dealing with basics concepts that are common with Fortran77 and Fortran90/95?

After looking for a while and having met a lot of good l ...

John, Eddie and Ian I understood well your posts. Although I'm going on digesting them, I learned very much

For a beginner like me, some old fortran knowledge is difficult to met now in books or tu ...

Thanks, that's it.

Perhaps it's better for me to learn something more with this example; what means '(a)' and err=10?

Hello,
this seems a basic question, but the more I search... the less I find.

I want to read a text file that looks like this:

.....
123 4567 10000 200000
213 5678 20000 300000
.....

As y ...

Thanks Paul

Smile

I'm trying to convert String variables into Integer variables and vice-versa.

Till now I can convert String into Integer but not the reverse.

Program Conversion

Integer Number
Character WO ...

I forgot to wish you guys, Happy New Year Smile

I expect that SLEEP@ repeatedly calls the internal clock, and as a result, makes the cpu rather busy. It makes your program "sleep", not the cpu.

As regards the cpu getting hot, have you ...

Yes you are right. SLEEP@ turns out to be yield process and the name is misleading.

There is an alternative (undocumented) SLEEP1@ that appears to be a genuine sleep process so it does not take ove ...