y = x^2, where x has to be used as the variable; or as ⪚

f(a) = a^2, where the name of the variable is arbitrary.

x = sin(t),

y = cos(t), or as functions, ⪚

f_x(s) = sin(s),

f_y(s) = cos(s).

r = &thgr;, or as a function, ⪚ +

f(x) = x.

f(a,b)as the function name), then these variables will be used. Otherwise, the letters x and y will be used for the variables.

f''(x) = f' − f. In equation form, it will look like

y'' = y' − y. Note that in both cases, the

(x)part is not added to the lower order differential terms (so you would enter

f'(x) = −fand not

f'(x) = −f(x)).

1 + xis selected in the equation

y = 1 + x, and the sine function is chosen, then the equation will become

y = sin(1+x). +

r(t) = tor

f(x) = xwill produce exactly the same output. +

r+ the parser assumes that you are using polar coordinates. If the first + character is

x(for instance

xfunc) the + parser expects a second function with a leading

y(here +

yfunc) to define the function in parametric form. +

group parameter. It must be + separated from the function's variable by a comma. You can use the group + parameter to, for example, plot a number of graphs from one function. The parameter values can be selected manually or you can choose to have a slider bar that controls one parameter. By changing the value of the slider the value parameter will be changed. The slider can be set to an integer between 0 and 100.

Horizontal axis Rangeabove.

Horizontal axis Grid Spacingabove. +

r- the parser assumes that you are using polar coordinates. If the first - character is

x(for instance

xfunc) the - parser expects a second function with a leading

y(here -

yfunc) to define the function in parametric form. -

group parameter. It must be - separated from the function's variable by a comma. You can use the group - parameter to, for example, plot a number of graphs from one function. The parameter values can be selected manually or you can choose to have a slider bar that controls one parameter. By changing the value of the slider the value parameter will be changed. The slider can be set to an integer between 0 and 100.

Horizontal axis Rangeabove.

Horizontal axis Grid Spacingabove. -

y = x^2, where x has to be used as the variable; or as ⪚

f(a) = a^2, where the name of the variable is arbitrary.

x = sin(t),

y = cos(t), or as functions, ⪚

f_x(s) = sin(s),

f_y(s) = cos(s).

r = &thgr;, or as a function, ⪚ -

f(x) = x.

f(a,b)as the function name), then these variables will be used. Otherwise, the letters x and y will be used for the variables.

f''(x) = f' − f. In equation form, it will look like

y'' = y' − y. Note that in both cases, the

(x)part is not added to the lower order differential terms (so you would enter

f'(x) = −fand not

f'(x) = −f(x)).

1 + xis selected in the equation

y = 1 + x, and the sine function is chosen, then the equation will become

y = sin(1+x). -

r(t) = tor

f(x) = xwill produce exactly the same output. -