The parameter list of the plugin call:
error: false, // Item is displayed when the error occured
comment: false, // A visible when editing
calculatewrapper: false, // element displays the calculate
calculations: false, // element where you want to display the calculation result
oncalculate: false, // function is called if there is [+,-, *,/, (,)]
onendcalculate: false, // function is called if the dropped all [+,-, *,/, (,)]
onready: false, // function is called to prepare the
onfocus: false, // Function called when setting the focus
onblur: false, // function is called when the form loses focus (function is passed the final results)
onerror: false, // function is called when you try to enter prohibited characters
onenter: false, // function is called if the enter key is pressed (called before the onblur)
onescape: false, // function is called when the escape key is pressed (called before the onblur)
oninput: false, // function is called when you enter any character (in the function is passed the input character)
ifnul: '', // Symbol to insert if the entered data is incorrect or the
sign: false //show a minus sign when entering a negative value
