# APCO 3P94 Lecture Notes - Error Function, Inverse Trigonometric Functions, Supreme Headquarters Allied Powers Europe

ABS (A) Absolute value function.

ACHAR (I [, KIND]) Converts an ASCII code value to a character.

ACOS (X) Arccosine (inverse cosine) function.

ACOSH (X) Inverse hyperbolic cosine function.

ADJUSTL (STRING) Rotates a string to remove leading blanks.

ADJUSTR (STRING) Rotates a string to remove trailing blanks.

AIMAG (Z) Returns the imaginary part of a complex number.

AINT (A [, KIND]) Converts A to a whole number by truncating toward 0.

ALL (MASK [, DIM]) Reduces a logical array using the AND operation.

ALLOCATED (ARRAY) or (SCALAR) Queries the allocation status of a varia

ble.

ANINT (A [, KIND]) Nearest whole number function.

ANY (MASK [, DIM]) Reduces a logical array using the OR operation.

ASIN (X) Arcsine (inverse sine) function.

ASINH (X) Inverse hyperbolic sine function.

ASSOCIATED (POINTER [, TARGET]) Queries the association status of a poin

ter.

ATAN (X) or (Y, X) Arctangent (inverse tangent) function.

ATAN2 (Y, X) Arctangent (inverse tangent) function.

ATANH (X) Inverse hyperbolic tangent function.

ATOMIC DEFINE (ATOM, VALUE) Defines a variable atomically.

ATOMIC REF (VALUE, ATOM) References a variable atomically.

BESSEL J0 (X) Bessel function of the 1st kind (order 0).

BESSEL J1 (X) Bessel function of the 1st kind (order 1).

BESSEL JN (N, X) Bessel function of the 1st kind (order N).

BESSEL JN (N1, N2, X) Bessel functions of the 1st kind.

BESSEL Y0 (X) Bessel function of the 2nd kind (order 0).

BESSEL Y1 (X) Bessel function of the 2nd kind (order 1).

BESSEL YN (N, X) Bessel function of the 2nd kind (order N).

BESSEL YN (N1, N2, X) Bessel functions of the 2nd kind.

BGE (I, J) Bitwise greater than or equal to.

BGT (I, J) Bitwise greater than.

BLE (I, J) Bitwise less than or equal to.

BLT (I, J) Bitwise less than.

BIT SIZE (I) Returns the number of bits in the integer model.

BTEST (I, POS) Tests a single bit in an integer.

CEILING (A [, KIND]) Returns the least integer greater than or equal to A.

CHAR (I [, KIND]) Converts a code value to a character.

CMPLX (X [, Y, KIND]) Converts to complex type.

COMMAND ARGUMENT COUNT ( ) Returns the number of command arguments.

CONJG (Z) Returns the conjugate of a complex number.

COS (X) Cosine function.

COSH (X) Hyperbolic cosine function.

COUNT (MASK [, DIM, KIND]) Reduces a logical array by counting true values.

CPU TIME (TIME) Returns the processor time.

CSHIFT (ARRAY, SHIFT [, DIM]) Circular shift function.

DATE AND TIME ([DATE, TIME, ZONE, VALUES]) Returns the date and time.

DBLE (A) Converts to double precision real.

DIGITS (X) Returns the number of significant digits in the numeric model.

DIM (X, Y) Maximum of X - Y and zero.

DOT PRODUCT (VECTOR A, VECTOR B) Returns the dot product of two vectors.

DPROD (X, Y) Returns the double precision real product.

DSHIFTL (I, J, SHIFT) Combined left shift.

DSHIFTR (I, J, SHIFT) Combined right shift.

EOSHIFT (ARRAY, SHIFT [, BOUNDARY, DIM]) End-off shift function.

EPSILON (X) Model number that is small compared to 1.

ERF (X) Error function.

ERFC (X) Complementary error function.

ERFC SCALED (X) Scaled complementary error function.

EXECUTE COMMAND LINE (COMMAND [, WAIT, EXITSTAT, CMDSTAT, CMDMSG]) Executes

## Document Summary

Returns the imaginary part of a complex number. Converts a to a whole number by truncating toward 0. Reduces a logical array using the and operation. (array) or (scalar) Reduces a logical array using the or operation. Converts an ascii code value to a character. Bessel function of the 1st kind (order 0). Bessel function of the 1st kind (order 1). Bessel function of the 1st kind (order n). Bessel function of the 2nd kind (order 0). Bessel function of the 2nd kind (order 1). Bessel function of the 2nd kind (order n). Absolute value function. (x) or (y, x) (y, x) (x) (z) (a [, kind]) (mask [, dim]) (a) (i [, kind]) (x) (x) (a [, kind]) (mask [, dim]) (x) (x) Inverse hyperbolic tangent function. (atom, value) (value, atom) (x) (x) (n, x) (n1, n2, x) (x) (x) (n, x) (n1, n2, x) Cmplx (x [, y, kind]) converts to complex type.