Make this my favourite ProFortran (Fortran-77 compiler) by Prospero Software *RARE*

Retro Computers >> Sinclair >> Sinclair QL >> Software
Listing type:
Standard auction
Item Condition:
Seller location:
Stoke-on-Trent, Staffordshire, United Kingdom
Ending in:
This auction is closed (22/11/2017)
Highest Bidder:
k***i (29)
Current Price:
Starting bid:
# of bids:
1 (View history)
Bidder Bid Date and hour
k***i (29) £80.00 22/11/2017 22:00:42
Reserve price:
Reserve price has been reached
Shipping Costs:
From only £10.00
Payment methods:

Item Number : 28747

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This is the rare boxed version of ProFortran by Prospero Software for the Sinclair QL Home Computer.

Pro Fortran is a fully validated implementation of ANSI Fortran-77 with no omissions.

Advertised features included:

  • Interlinkable code meant you could use programs which used both Pro Fortran-77 and Pro Pascal code
  • Single and double precision IEEE format arithmetic gives 7 or 16 digit precision.
  • Compiles programs with over 50,000 lines and over 5,000 identifiers.
  • Separate compilation allows you to build libraries and massive program suites.
  • Includes compiler, linker, run-time libraries, librarian, X-ref program, sample programs, 200+ page manual, graphic subroutines.

Supplied complete in original box, with ROM dongle, large user manual and original microdrive cartridge, we also supply a working backup of the software on a microdrive cartridge with replacement felt pad (or on 3.5" disk if preferred).

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  • ProFortran (Fortran-77 compiler) by Prospero Software *RARE*

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Shipping and Payment

Item Location:
Stoke-on-Trent, Staffordshire, United Kingdom
Shipping conditions:
Buyer pays shipping expenses
Shipment fee:
  • To United Kingdom :
  • Special Delivery : £10.00
  • To EU :
  • Intl Signed For : £17.50
  • To Rest of Europe :
  • Intl Signed For : £17.50
  • To Americas :
  • Intl Signed For : £21.50
  • To Rest of World :
  • Intl Signed For : £24.50
Shipment terms:
Items normally posted within 1 working day after payment received.

We are happy to combine items in order to reduce overall shipping costs where practical.
If you want item tracking, please either use a tracked service, or ask us for information before making payment.

Return your item within 14 days (in original packaging) for a full refund (excluding the post and packing charge).
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