Drawing polylines - Procedure

Objects creation and modification

Drawing geometric objects

Drawing polylines

Overview

Operations

Commands

How to draw a Polar Math polyline

Click on the menu Draw Math Polyline Polar: r = f(a) with r= radius; a= angle

The following dialog will appear:

You can specify here the r = f(a) formula used to build the polyline, where r=radius; a= angle in degrees.
You must set the a (angle) range and the number of points, equally spaced in the a range.

Clicking the function buttons you will automatically insert one of the supplied math functions. See below for the list of the available functions:

Functions Use Description

ABS ABS(expr) returns the absolute value of the expression.

ACOS ACOS(expr) returns the arc cosine of the expression. expr is expected in degrees.

ANS ANS(expr) returns an answer in the history. expr must be between 1 and the number of answers in the list.

ASIN ASIN(expr) returns the arc sine of the expression. expr is expected in degrees.

ATAN ATAN(expr) returns the arc tangent of the expression. expr is expected in degrees.

COS COS(expr) returns the cosine of the expression. expr is expected in degrees.

COSH COSH(expr) returns the hyperbolic cosine of the expression. expr is expected in degrees.

DEG DEG(expr) returns the equivalence in degrees of the expression. expr is expected in degrees.

EXP EXP(expr) returns the exponential of the expression.

LN LN(expr) returns the natural (Neperian, base-e) logarithm of the expression.

LOG LOG(expr) returns the decimal (base-10) logarithm of the expression.

LOGN LOGN(expr, n) returns the base-n logarithm of the expression.

POW POW(a, b) returns a raised to the power of b.

RAD RAD(expr) returns the equivalence in degrees of the expression. expr is expected in degrees. The same as the ° operator.

SIN SIN(expr) returns the sine of the expression. expr is expected in degrees.

SINH SINH(expr) returns the hyperbolic sine of the expression. expr is expected in degrees.

SQRT SQRT(expr) returns the squared root of the expression.

TAN TAN(expr) returns the tangent of the expression. expr is expected in degrees.

TANH TANH(expr) returns the hyperbolic tangent of the expression. expr is expected in degrees.

Pressing the OK button the polyline will be created in the current drawing. See the below picture for the example:

Command line: MATH_PLINE_P

Functions	Use	Description
`ABS`	`ABS(expr)`	returns the absolute value of the expression.
`ACOS`	`ACOS(expr)`	returns the arc cosine of the expression. `expr` is expected in degrees.
`ANS`	`ANS(expr)`	returns an answer in the history. `expr` must be between 1 and the number of answers in the list.
`ASIN`	`ASIN(expr)`	returns the arc sine of the expression. `expr` is expected in degrees.
`ATAN`	`ATAN(expr)`	returns the arc tangent of the expression. `expr` is expected in degrees.
`COS`	`COS(expr)`	returns the cosine of the expression. `expr` is expected in degrees.
`COSH`	`COSH(expr)`	returns the hyperbolic cosine of the expression. `expr` is expected in degrees.
`DEG`	`DEG(expr)`	returns the equivalence in degrees of the expression. `expr` is expected in degrees.
`EXP`	`EXP(expr)`	returns the exponential of the expression.
`LN`	`LN(expr)`	returns the natural (Neperian, base-e) logarithm of the expression.
`LOG`	`LOG(expr)`	returns the decimal (base-10) logarithm of the expression.
`LOGN`	`LOGN(expr, n)`	returns the base-n logarithm of the expression.
`POW`	`POW(a, b)`	returns a raised to the power of b.
`RAD`	`RAD(expr)`	returns the equivalence in degrees of the expression. `expr` is expected in degrees. The same as the `°` operator.
`SIN`	`SIN(expr)`	returns the sine of the expression. `expr` is expected in degrees.
`SINH`	`SINH(expr)`	returns the hyperbolic sine of the expression. `expr` is expected in degrees.
`SQRT`	`SQRT(expr)`	returns the squared root of the expression.
`TAN`	`TAN(expr)`	returns the tangent of the expression. `expr` is expected in degrees.
`TANH`	`TANH(expr)`	returns the hyperbolic tangent of the expression. `expr` is expected in degrees.