AutoCAD表格中的函数

When defining the arithmetic expressions - see Fields > All > Expression - you can use the following functions:

+, -, *, /, ^, () = basic arithmetic operations
sin(angle) = Sinus of an angle
cos(angle) = Cosinus of an angle
tang(angle) = Tangens of an angle
asin(real) = Arcus sinus
acos(real) = Arcus cosinus
atan(real) = Arcus tangens
ln(real) = Natural logarithm
log(real) = Decimal logarithm
exp(real) = Natural power
exp10(real) = Decimal power
sqr(real) = Square
sqrt(real) = Square root
abs(real) = Absolute value
round(real) = Rounded to the nearest integer
trunc(real) = Truncated to integer
r2d(angle) = Angle in radians converted to degrees
d2r(angle) = Angle in degrees converted to radians
pi = Pi constant (Ludolf's number)