Really worried about this. I have used Tafkam's pay calculator for years and it's always been pretty accurate so I have asked to go part-time and based my take home pay on what the pay calculator says. Then today, I was given a letter from the Head confirming my new arrangements and pay and it's £1,000 less than the pay calculator says. This is really important for our finances and for the remortgage we are aiming for. So how should I go about sorting out this difference? Please could anyone advise me? Thanks.