1. IN AN ARRANGEMENT FOR PRINTING THE DECIMAL POINT FOR VARYING DECIMAL PLACES IN THE RECORDED AMOUNTS OF CALCULATING MACHINES HAVING A TEN-KEY KEYBOARD, A MECHANISM FOR PRINTING THE RECORDED AMOUNT, AN AXIALLY MOVABLE AND ROTATABLY MOUNTED SHAFT POSITIONED LATERALLY ON THE CALCULATING MACHINE ADJACENT SAID PRINTING MECHANISM, A DECIMAL POINT TYPE KEY MOUNTED ON SAID SHAFT, A LONGITUDINALLY MOVABLE CONTROL BAR WITH AN EDGE THEREOF NORMALLY ENGAGED BY ONE END OF SAID SHAFT, SPRING MEANS FOR URGING SAID SHAFT END AGAINST SAID CONTROL BAR EDGE, THERE BEING SUCCESSIVE STEPPED SHOULDERS ON SAID CONTROL BAR EDGE AND ENGAGEABLE BY SAID SHAFT END, AND MEANS OPERATIVELY CONNECTED WITH SAID CONTROL BAR FOR MOVING THE SAME TO BRING SUCCESSIVE STEPPED SHOULDERS INTO ENGAGEMENT WITH SAID SHAFT END WHEREBY SAID SHAFT AND SAID DECIMAL POINT TYPE KEY ARE MOVED TO THE LEFT TO VARY THE NUMBER OF DECIMAL PLACES IN THE RECORDED AMOUNT.