IV.6. Running the program

To fulfil calculation of O – C for the whole list of observations, select Calculate in drop-down menu. To make calculation for only part of the list first mark needed part by sliding bar (to do this press Shift key and use up and down arrows) and then select Calculate in drop-down menu.

Calculation of O – C can be stopped, if necessary, by clicking on Cancel button of the Calculation progress dialog box that reflects course of calculations. In this case the resulted file [result.oc] contains O – C only for those observations for which calculations have been finished. Calculation can be continued after interruption by selecting O – C item in menu bar and then by choosing Continue in drop-down menu.