package polarDust.calculator; /* * Copyright (c) 1996 Sorin Lazareanu, All Rights Reserved. * * Permission to use, copy, modify, and distribute this software * and its documentation for NON-COMMERCIAL purposes and without * fee is hereby granted provided that this copyright notice * appears in all copies. * */ /** * The interface CalcConstants represents constants defined * throughout polarDust.calculator package.
* To use these constants just add 
implements CalcConstants
to the * class declaration. * *

* The source code. * * @version 0.9, 1996.06.04 * @author Sorin Lazareanu */ public interface CalcConstants { /** Helvetica typeface. */ static final String HELVETICA = "Helvetica"; /** Courier typeface. */ static final String COURIER = "Courier"; /** Unary type operation. */ static final int UNARY = 1; /** Binary type operation. */ static final int BINARY = 2; /** Result operation i.e. =, %, x^y etc. */ static final int RESULT = 3; /** A null (nil) representation. */ static final int NUL = -1; /** The string representation for NULL : "" */ static final String STR_NUL = ""; /** Digit zero. */ static final int ZERO = 0; /** Digit zero as a string. */ static final String STR_0 = "0"; /** Value (hashCode) for key zero (0). */ static final int CALC_KEY_0 = new Character('0').hashCode(); /** Digit one. */ static final int ONE = 1; /** Digit one as a string. */ static final String STR_1 = "1"; /** Value (hashCode) for key one (1). */ static final int CALC_KEY_1 = new Character('1').hashCode(); /** Digit two. */ static final int TWO = 2; /** Digit two as a string. */ static final String STR_2 = "2"; /** Value (hashCode) for key two (2). */ static final int CALC_KEY_2 = new Character('2').hashCode(); /** Digit three. */ static final int THREE = 3; /** Digit three as a string. */ static final String STR_3 = "3"; /** Value (hashCode) for key three (3). */ static final int CALC_KEY_3 = new Character('3').hashCode(); /** Digit four. */ static final int FOUR = 4; /** Digit four as a string. */ static final String STR_4 = "4"; /** Value (hashCode) for key four (4). */ static final int CALC_KEY_4 = new Character('4').hashCode(); /** Digit five. */ static final int FIVE = 5; /** Digit five as a string. */ static final String STR_5 = "5"; /** Value (hashCode) for key five (5). */ static final int CALC_KEY_5 = new Character('5').hashCode(); /** Digit six. */ static final int SIX = 6; /** Digit six as a string. */ static final String STR_6 = "6"; /** Value (hashCode) for key six (6). */ static final int CALC_KEY_6 = new Character('6').hashCode(); /** Digit seven. */ static final int SEVEN = 7; /** Digit seven as a string. */ static final String STR_7 = "7"; /** Value (hashCode) for key seven (7). */ static final int CALC_KEY_7 = new Character('7').hashCode(); /** Digit eight. */ static final int EIGHT = 8; /** Digit eight as a string. */ static final String STR_8 = "8"; /** Value (hashCode) for key eight (8). */ static final int CALC_KEY_8 = new Character('8').hashCode(); /** Digit nine. */ static final int NINE = 9; /** Digit nine as a string. */ static final String STR_9 = "9"; /** Value (hashCode) for key nine (9). */ static final int CALC_KEY_9 = new Character('9').hashCode(); /** Dot code. */ static final int DOT = 10; /** Dot - string representation. */ static final String STR_DOT = "."; /** Value (hashCode) for key dot (.). */ static final int CALC_KEY_DOT = new Character('.').hashCode(); /** Add code. */ static final int ADD = 11; /** Add - string representation. */ static final String STR_ADD = "+"; static final int CALC_KEY_ADD = new Character('+').hashCode(); /** Substract code. */ static final int SUB = 12; /** Substract - string representation. */ static final String STR_SUB = "-"; static final int CALC_KEY_SUB = new Character('-').hashCode(); /** Multiply by code. */ static final int MUL = 13; /** Multiply by - string representation. */ static final String STR_MUL = "*"; static final int CALC_KEY_MUL = new Character('*').hashCode(); /** Divided by code. */ static final int DIV = 14; /** Divided by - string representation. */ static final String STR_DIV = "/"; static final int CALC_KEY_DIV = new Character('/').hashCode(); /** Result (equal) code. */ static final int EQU = 15; /** Result (equal) - string representation. */ static final String STR_EQU = "="; static final int CALC_KEY_EQU = new Character('=').hashCode(); /** Percentage code. */ static final int PRC = 16; /** Percentage - string representation. */ static final String STR_PRC = "%"; static final int CALC_KEY_PRC = new Character('%').hashCode(); /** Clear All (x=0, y=0, m=0, etc.) code. */ static final int CLR = 17; /** Clear All - string representation. */ static final String STR_CLR = "c"; static final int CALC_KEY_CLR = new Character('c').hashCode(); /** Clear Entry (x=0) code. */ static final int CE = 18; /** Clear Entry - string representation. */ static final String STR_CE = "ce"; static final int CALC_KEY_CE = new Character('e').hashCode(); /** Memory read (x=m) code. */ static final int MR = 19; /** Memory Read - string representation. */ static final String STR_MR = "mr"; static final int CALC_KEY_MR = new Character('r').hashCode(); /** Memory clear (m=0) code. */ static final int MC = 20; /** Memory Clear - string representation. */ static final String STR_MC = "mc"; static final int CALC_KEY_MC = new Character('m').hashCode(); /** Add to memory (m+=x) code. */ static final int MADD = 21; /** Add to memory - string representation. */ static final String STR_MADD = "m+"; static final int CALC_KEY_MADD = new Character('a').hashCode(); /** Substract from memory (m-=x) code. */ static final int MSUB = 22; /** Substract from memory - string representation. */ static final String STR_MSUB = "m-"; static final int CALC_KEY_MSUB = new Character('s').hashCode(); /** Swap registers (x->y, y->x) code. */ static final int SWAP = 23; /** Swap registers - string representation. */ static final String STR_SWAP = "x.y"; /** At square (x*x) code. */ static final int SQR = 24; /** At square - string representation. */ static final String STR_SQR = "sqr"; /** Square root code. */ static final int SQRT = 25; /** Square root - string representation. */ static final String STR_SQRT = "sqrt"; /** Value of PI code. */ static final int VPI = 26; /** Value PI - string representation. */ static final String STR_VPI = "pi"; /** Natural logarithm code. */ static final int LN = 27; /** Natural logarithm - string representation. */ static final String STR_LN = "ln"; /** Decimal logarithm code. */ static final int LOG = 28; /** Decimal logarithm - string representation. */ static final String STR_LOG = "log"; /** Exponential function (x=e^x) code. */ static final int EXP = 29; /** Exponential function - string representation. */ static final String STR_EXP = "exp"; /** Sinus (x=sin(x)) code. */ static final int SIN = 30; /** Sinus - string representation. */ static final String STR_SIN = "sin"; /** Arcsinus (x=arcsin(x)) code. */ static final int ASIN = 31; /** Arcsinus - string representation. */ static final String STR_ASIN = "asin"; /** Cosinus (x=cos(x)) code. */ static final int COS = 32; /** Cosinus - string representation. */ static final String STR_COS = "cos"; /** Arccosinus (x=arccos(x)) code. */ static final int ACOS = 33; /** Arccosinus - string representation. */ static final String STR_ACOS = "acos"; /** Tangent (x=tan(x)) code. */ static final int TAN = 34; /** Tangent - string representation. */ static final String STR_TAN = "tan"; /** Arctangent (x=arctan(x)) code. */ static final int ATAN = 35; /** Arctangent - string representation. */ static final String STR_ATAN = "atan"; /** At power (x=x^y) code. */ static final int POW = 36; /** At power - string representation. */ static final String STR_POW = "^"; /** Inverse (x=1/x) code. */ static final int INV = 37; /** Inverse - string representation. */ static final String STR_INV = "1/x"; /** Change sign (x=-x) code. */ static final int SGN = 38; /** Change sign - string representation. */ static final String STR_SGN = "+/-"; /** Value of e code. */ static final int VE = 39; /** Value of e - string representation. */ static final String STR_VE = "e"; }