|
Function |
Meaning |
|
SIN(x), COS(x), TAN(x) |
trigonometric functions; x is an angle in radians; |
|
ASIN(y), ACOS(y), ATAN(y) |
the arc functions return values in radians |
|
EXP(x) |
exponential |
|
LN(x) |
natural logarithm |
|
LOG(x) |
base ten logarithm |
|
ABS(x) |
absolute value of x |
|
INT(x) |
integer part (truncated value) of x |
|
NINT(x) |
nearest integer value to x |
|
MOD(x,y) |
the remainder resulting from x/y |
|
LEN(a$) |
length of the string in a$ |
|
INDEX(a$,b$) |
location in a$ string of b$ substring; if b$ is not in a$, zero is returned |
|
VAL(a$) |
numeric value of string a$ |
|
SQRT(x) |
square root of x |
|
STR$(x) |
calculates the string corresponding to the number x using McIDAS function CFG for the conversion |
|
MID$(a$,x,y) |
extracts a string of length y from a$, starting at character position x (first position = 1) |
|
TIME$ |
a pseudostring variable of length 6 which has the current time in the format HH:MM:SS |
|
DATE$ |
a pseudostring variable of length 7 which has the current date in the format CCYYDDD |
|
DAY$ |
a pseudostring variable of length 6 which has the current date in the format YYMMDD |
|
TFILA$ . . TFILE$ |
a pseudostring variable of length 9; a temporary LW file named during execution of a BASIC program; it is deleted when the program terminates; five temporary LW files are available per program execution EOF$ a pseudostring variable; contains the universal value Z80808080 |
|
PEEK(x) |
returns a value from User Common (UC) location x; the value in UC is assumed integer and is converted to REAL*4 |
|
PEEK$(x) |
returns a character string |
|
BIN(string$) |
the real number equivalent of the binary integer value in string$; assumes the first four bytes are an integer value (in binary) |
|
BIN$(x) |
returns an ASCII string equivalent to the integer value of x |
|
CHR$(x) |
returns a string of length one which is equivalent to the ASCII code value x |
|
KSYS(x) |
returns the value from the System KeyTable location x; the value in SYSKEY is assumed to be an integer and is converted to REAL*4 |
|
KSYS$(x) |
returns the value from the System KeyTable location x; the value in SYSKEY is assumed to be a character string of length 4 |
|
TABLE$(a$) |
returns the value of the string stored in the current string table under the name a$ |
|
STATUS |
numeric pseudovariable set to the value of the exit status each time a KEYIN is performed; a nonzero status usually indicates failure |