2011

DescriptionExpression
Subtracts the second and following numbers from
the first and returns the difference.
(- number number [number] ...)
Returns the product of all numbers.(* number number [number] ...)
Divides the first number by the product of the remain-
ing numbers and returns the quotient.
(/ number number [number] ...)
Returns the absolute value of the number.(abs number)
Returns the arctangent of the number expressed in
radians.
(atan num1 [num2] )
Returns the cosine of the angle expressed in radians.(cos angle)
Returns the constant e (a real number) raised to a
specified power (the natural antilog).
(exp number)
Returns a number raised to a specified power.(expt basepower)
Returns the conversion of a real number into the
nearest smaller integer.
(fix number)
Returns the natural log of a number as a real number.(log number)
Returns the base 10 logarithm for a number.(log10 number)
Returns the sine of an angle as a real number ex-
pressed in radians.
(sin angle)
Returns the square root of a number as a real num-
ber.
(sqrt number)
Returns the tangent of an angle, measured in radians.(tan angle)
1542 | Chapter 12 Expression Evaluator