jhplot

Class UCalc

java.lang.Object

jhplot.UCalc

public class UCalc
extends Object

Calculations using different measurement and physics unit systems.

Constructor Summary

Constructors

Constructor and Description
UCalc() Initialaze calculations with units.

Method Summary

Modifier and Type	Method and Description
String	eval(String havestr, String wantstr) Performs the computation with units.
String	getUnit() Returns expected unit.
double	getValue() Returns answer as double.
void	help() Show help topics in a window.
void	search() Shows units and functions with names containing the current unit.
void	search(String name) Shows units and functions with names containing a given substring.
void	showConformable() Shows units, functions, and aliases conformable to given Value.
String	showDef(String name) If the argument is the name of a function or unit list, returns its definition.
void	showSource() Show source.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UCalc

public UCalc()

Initialaze calculations with units.

Method Detail

eval

public String eval(String havestr,
                   String wantstr)

Performs the computation with units.

Parameters:

havestr - expression specifying the value to be converted.

toString - string specifying unit of the desired result: expression, function name, unit list name, or unit list.

Returns:

answer as a string. If "error", then there was an error

getValue

public double getValue()

Returns answer as double.

Returns:

anser as double value

getUnit

public String getUnit()

Returns expected unit.

Returns:

expected unit.

showSource

public void showSource()

Show source.

showConformable

public void showConformable()

Shows units, functions, and aliases conformable to given Value. (Originally part of 'tryallunits'.)

search

public void search()

Shows units and functions with names containing the current unit. (Originally part of 'tryallunits'.)

search

public void search(String name)

Shows units and functions with names containing a given substring. (Originally part of 'tryallunits'.)

Parameters:

name - the name of the unit.

showDef

public String showDef(String name)

If the argument is the name of a function or unit list, returns its definition. Otherwise returns null.

Parameters:

name - the name.

Returns:

definition or null.

help

public void help()

Show help topics in a window.