printf("\n== Arithmetic Operators ==                       ");
printf(" == Trig Functions ==\n+          Addition (plus) ");
printf("                        Note : take radian argument");
printf("s)\n-          Subtraction (minus)                ");
printf("    sin       sine\n*          Multiplication (tim");
printf("es)                 sinh      hyperbolic sine\n/  ");
printf("        Division (divided by)                  asin");
printf("      arc sine\n%%          Modulus (remainder)    ");
printf("                cos       cosine\n^          Power");
printf(" (raised to)                      cosh      hyperbo");
printf("lic cosine\n                                      ");
printf("            acos      arc cosine\n== Bitwise Logic");
printf("al Operators ==                   tan       tangent");
printf("\n&          bitwise AND                          ");
printf("  tanh      hyperbolic tangent\n|          bitwise");
printf(" inclusive OR                   atan      arc tange");
printf("nt\n~          unary one's complement             ");
printf("    atan2     arc tangent of x/y\n                ");
printf("                                            (2 argu");
printf("ments needed)\n\n== Date Functions ==            ");
printf("                  == Math Functions ==\ncaltojul  ");
printf(" calendar to julian date                exp       e");
printf("xponentiation\n  Usage:   caltojul(yyyy, mm, dd)  ");
printf("               ln        natural log\n  Returns: #");
printf("days elapsed since October 15, 1582   log       bas");
printf("e 10 log\njultocal   julian to calendar date      ");
printf("          sqrt      square root\n  Usage:   jultoc");
printf("al(julian_date)                  hypot     sqrt(X^2");
printf("+Y^2)\n  Returns: date in yyyymmdd format         ");
printf("       ceil      ceiling\n  Eg:  caltojul(1989,12,");
printf("31) <=> jultocal(148732)  floor     floor\n       ");
printf("                                           int,trun");
printf("c truncation\n                                    ");
printf("              abs       absolute value\n          ");
printf("                                        degtorad  d");
printf("egrees -> radians\n== Help Functions ==           ");
printf("                   radtodeg  radians -> degrees\n?");
printf("          Help (print this screen)               ra");
printf("n2(0)   random in [0,1]\n                         ");
printf("                         rand(0)   random in [0,2^3]");
printf("\n");
/* printf("1-1[ÿ"); */