var 
TCPbtn_sin  = ["sin", "sin", "sin"],
TCPbtn_exp  = ["exp", "exponential notation", "Exp"],
TCPbtn_log  = ["ln", "natural logarithm", "log"],
TCPbtn_mc   = ["mc", "memory clear", "MC"],
TCPbtn_7    = ["7", "7", "7h"],
TCPbtn_8    = ["8", "8", "8h"],
TCPbtn_9    = ["9", "9", "9h"],
TCPbtn_d    = ["d", "divide", "d"],
TCPbtn_bk   = ["bcksp", "backspace", "bcksp"],
TCPbtn_cos  = ["cos", "cos", "cos"],
TCPbtn_pow  = ["pow", "x in a power of y", "pow"],
TCPbtn_lg   = ["lg", "decimal logarithm", "lg"],
TCPbtn_mr   = ["mr", "memory resume", "MR"],
TCPbtn_4    = ["4", "4", "4h"],
TCPbtn_5    = ["5", "5", "5h"],
TCPbtn_6    = ["6", "6", "6h"],
TCPbtn_mult = ["mult", "multiply", "*"],
TCPbtn_c    = ["c", "clear", "C"],
TCPbtn_tan  = ["tan", "tan", "tan"],
TCPbtn_pow3 = ["pow3", "x in a power of 3", "pow3"],
TCPbtn_n    = ["n", "factorial", "n!"],
TCPbtn_ms   = ["ms", "memory set", "MS"],
TCPbtn_1    = ["1", "1", "1h"],
TCPbtn_2    = ["2", "2", "2h"],
TCPbtn_3    = ["3", "3", "3h"],
TCPbtn_mins = ["mins", "substruct", "-"],
TCPbtn_eql  = ["eql", "calculate", "="],
TCPbtn_pi   = ["pi", "a value of PI", "pi"],
TCPbtn_pow2 = ["pow2", "a square of x", "pow2"],
TCPbtn_x    = ["x", "1 divided by x", "x"],
TCPbtn_mpl  = ["mpl", "add to memory", "M+"],
TCPbtn_0    = ["0", "0", "0h"],
TCPbtn_z    = ["z", "change sign", "z"],
TCPbtn_pnt  = ["pnt", "decimal point", "."],
TCPbtn_pls  = ["pls", "add", "+"],
TCPbtn_sqrt = ["sqrt", "square root", "sqrt"],
TCPbtn_mst  = ["mst", "memory status", ""],

TCP_def_matrix = [
	[TCPbtn_sin, TCPbtn_exp,  TCPbtn_log, TCPbtn_mc,  TCPbtn_7, TCPbtn_8, TCPbtn_9,   TCPbtn_d,    TCPbtn_bk],
	[TCPbtn_cos, TCPbtn_pow,  TCPbtn_lg,  TCPbtn_mr,  TCPbtn_4, TCPbtn_5, TCPbtn_6,   TCPbtn_mult, TCPbtn_c],
	[TCPbtn_tan, TCPbtn_pow3, TCPbtn_n,   TCPbtn_ms,  TCPbtn_1, TCPbtn_2, TCPbtn_3,   TCPbtn_mins, TCPbtn_eql],
	[TCPbtn_pi,  TCPbtn_pow2, TCPbtn_x,   TCPbtn_mpl, TCPbtn_0, TCPbtn_z, TCPbtn_pnt, TCPbtn_pls,  TCPbtn_mst]
],

TCP_def_img_path= 'calc_files/default/img/',
TCP_def_body_css = 'calcBody',
TCP_def_font_css = 'calcLabl',
TCP_def_text_css = 'calcLCD',
TCP_invert =
TCP_deg_rad = true,
TCP_def_bnt_width = 30,
TCP_def_bnt_height = 21;