Symbol |
Explanation/Examples/Restrictions |
+ |
Addition. |
- |
Subtraction. |
* |
Multiplication can also be indicated by a space or jutaposition, e.g. 2x, 2 x or 2*x, also 2(3+4). |
/ |
Division. |
^ or ** |
Exponentiation; e.g. 3^2 or 3**2. |
( |
Left parenthesis - used for grouping expressions. |
) |
Right parenthesis - used for grouping expressions. |
pi |
This gives π, e.g. cos(π) is -1. |
e |
This gives the constant e, or roughly 2.71828182845905, e.g. ln(e) is 1. |
E |
Scientific Notation. For example, 2.1E2 gives 210 and 2.1E-2 gives .021. |
abs( ) |
The absolute value function. |
sqrt( ) |
The square root function. Note: Sometimes WeBWorK does not allow sqrt( ). In those cases, try ( )^(1/2). |
exp( ) |
The exponential function. exp(x) is the same as e^x |
log( ) or ln( ) |
The natural logarithm function (base e). |
logten( ) |
The logarithm function, base 10. |
abs( ) |
The absolute value function. |
fact( ) |
The factorial function (only non-negative integer input allowed). |
cos( ) |
The cosine function (uses radians). |
sin( ) |
The sine function (uses radians). |
tan( ) |
The tangent function (uses radians). |
sec( ) |
The secant function (uses radians). |
csc( ) |
The cosecant function (uses radians). |
cot( ) |
The cotangent function (uses radians). |
arccos( ) or acos( ) |
The arc-cosine function. |
arcsin( ) or asin( ) |
The arc-sine function. |
arctan( ) or atan( ) |
The arc-tangent function. |