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NUMBER_UNLIMITED
The numeric constant used to identify an unlimited number of repeated events.

PERIOD_ANNUALY
The numeric constant used to identify an annual period.

PERIOD_BI_ANNUALLY
The numeric constant used to identify a bi-annual period (twice every year).

PERIOD_BI_MONTHLY
The numeric constant used to identify a bi-monthly period (twice every month).

PERIOD_DAILY
The numeric constant used to identify a daily period.

PERIOD_FOUR_MONTHLY
The numeric constant used to identify a four-monthly period (once every four months).

PERIOD_FOUR_WEEKLY
The numeric constant used to identify a four-weekly period (once every four weeks).

PERIOD_MONTHLY
The numeric constant used to identify a monthly period.

PERIOD_NONE
The numeric constant used to identify that there is no period.

PERIOD_QUARTERLY
The numeric constant used to identify a quarterly period (once every three months).

PERIOD_TWO_MONTHLY
The numeric constant used to identify a two-monthly period (once every two months).

PERIOD_TWO_WEEKLY
The numeric constant used to identify a two-weekly period (once every two weeks).

PERIOD_WEEKLY
The numeric constant used to identify a weekly period.

STARTDAY_NORMAL
The numeric constant used to identify that the same start day should be used as
the day of the month of the starting date of the event.

Method Summary

addCompoundPeriodChange(newPeriod, date)
Adds a compound period change.

addLoan(amount, date)
Adds a loan.

addLoan(amount, firstDate, lastDate, period)
Adds a loan.

addLoan(amount, firstDate, lastDate, period, number)
Adds a loan.

addLoan(amount, firstDate, lastDate, period, number, startday)
Adds a loan.

addPayment(amount, date)
Adds a payment.

addPayment(amount, firstDate, lastDate, period)
Adds a payment.

addPayment(amount, firstDate, lastDate, period, number)
Adds a payment.

addPayment(amount, firstDate, lastDate, period, number, startday)
Adds a payment.

addRateChange(newRate, date)
Sets a new interest rate.

calculateAmortizationSchedule()
Calculates the amortization schedule.

getAmortizationSchedule()
Gets the amortization schedule as a JSDataSet.

getError()
Returns the error that remains when solving for the unknown.

getEvents()
Returns all the amortization events - such as rate changes, loan events, payment events, compounding period changes.

getRestBalance()
Gets the rest balance after the amortization schedule.

getUnknown()
Returns the solveForUnknown value.

isValidPeriod(period)
Returns true if the period is valid, or false if the period is not valid.

roundMoney(amount)
Rounds a number up to the nearest cents.

solveForUnknown()
Returns true if successful or false if the call failed.

void

sortEvents()
Sorts the amortization events ascending by date.

Constants Details

NUMBER_UNLIMITED

The numeric constant used to identify an unlimited number of repeated events.

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_ANNUALY

The numeric constant used to identify an annual period.

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_BI_ANNUALLY

The numeric constant used to identify a bi-annual period (twice every year).

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_BI_MONTHLY

The numeric constant used to identify a bi-monthly period (twice every month).
TODO: this period is not supported yet.

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_DAILY

The numeric constant used to identify a daily period.

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_FOUR_MONTHLY

The numeric constant used to identify a four-monthly period (once every four months).

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_FOUR_WEEKLY

The numeric constant used to identify a four-weekly period (once every four weeks).

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_MONTHLY

The numeric constant used to identify a monthly period.

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_NONE

The numeric constant used to identify that there is no period.

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_QUARTERLY

The numeric constant used to identify a quarterly period (once every three months).

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_TWO_MONTHLY

The numeric constant used to identify a two-monthly period (once every two months).

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_TWO_WEEKLY

The numeric constant used to identify a two-weekly period (once every two weeks).

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

PERIOD_WEEKLY

The numeric constant used to identify a weekly period.

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

STARTDAY_NORMAL

The numeric constant used to identify that the same start day should be used as
the day of the month of the starting date of the event.

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addPayment(500, new Date(2005, 1, 28), null,
			plugins.amortization.AmortizationCalculation.PERIOD_DAILY, 5,
			plugins.amortization.AmortizationCalculation.STARTDAY_NORMAL);

var c2 = plugins.amortization.newCalculation();
c2.addPayment(300, new Date(2006, 11, 24), new Date(2006, 12, 24),
			plugins.amortization.AmortizationCalculation.PERIOD_BI_MONTHLY,
			plugins.amortization.AmortizationCalculation.NUMBER_UNLIMITED, 30);

Method Details

addCompoundPeriodChange

addCompoundPeriodChange

(newPeriod, date)

Adds a compound period change.

Parameters

{Number} newPeriod
{Date} date

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addRateChange(r, new Date(2005, 0, 1));
c.addCompoundPeriodChange(12, new Date(2005, 0, 1));
c.addLoan(2000, new Date(2005, 0, 1));
c.addPayment(500, new Date(2005, 1, 28), null, 12, 5, 31);

addLoan

addLoan

(amount, date)

Adds a loan.

Parameters

{Number} amount
{Date} date

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addRateChange(r, new Date(2005, 0, 1));
c.addCompoundPeriodChange(12, new Date(2005, 0, 1));
c.addLoan(2000, new Date(2005, 0, 1));
c.addPayment(500, new Date(2005, 1, 28), null, 12, 5, 31);

addLoan

addLoan

(amount, firstDate, lastDate, period)

Adds a loan.

Parameters

{Number} amount
{Date} firstDate
{Date} lastDate
{Number} period

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addRateChange(r, new Date(2005, 0, 1));
c.addCompoundPeriodChange(12, new Date(2005, 0, 1));
c.addLoan(2000, new Date(2005, 0, 1));
c.addPayment(500, new Date(2005, 1, 28), null, 12, 5, 31);

addLoan

addLoan

(amount, firstDate, lastDate, period, number)

Adds a loan.

Parameters

{Number} amount
{Date} firstDate
{Date} lastDate
{Number} period
{Number} number

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addRateChange(r, new Date(2005, 0, 1));
c.addCompoundPeriodChange(12, new Date(2005, 0, 1));
c.addLoan(2000, new Date(2005, 0, 1));
c.addPayment(500, new Date(2005, 1, 28), null, 12, 5, 31);

addLoan

addLoan

(amount, firstDate, lastDate, period, number, startday)

Adds a loan.

Parameters

{Number} amount
{Date} firstDate
{Date} lastDate
{Number} period
{Number} number
{Number} startday

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addRateChange(r, new Date(2005, 0, 1));
c.addCompoundPeriodChange(12, new Date(2005, 0, 1));
c.addLoan(2000, new Date(2005, 0, 1));
c.addPayment(500, new Date(2005, 1, 28), null, 12, 5, 31);

addPayment

addPayment

(amount, date)

Adds a payment.

Parameters

{Number} amount
{Date} date

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addRateChange(r, new Date(2005, 0, 1));
c.addCompoundPeriodChange(12, new Date(2005, 0, 1));
c.addLoan(2000, new Date(2005, 0, 1));
c.addPayment(500, new Date(2005, 1, 28), null, 12, 5, 31);

addPayment

addPayment

(amount, firstDate, lastDate, period)

Adds a payment.

Parameters

{Number} amount
{Date} firstDate
{Date} lastDate
{Number} period

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addRateChange(r, new Date(2005, 0, 1));
c.addCompoundPeriodChange(12, new Date(2005, 0, 1));
c.addLoan(2000, new Date(2005, 0, 1));
c.addPayment(500, new Date(2005, 1, 28), null, 12, 5, 31);

addPayment

addPayment

(amount, firstDate, lastDate, period, number)

Adds a payment.

Parameters

{Number} amount
{Date} firstDate
{Date} lastDate
{Number} period
{Number} number

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addRateChange(r, new Date(2005, 0, 1));
c.addCompoundPeriodChange(12, new Date(2005, 0, 1));
c.addLoan(2000, new Date(2005, 0, 1));
c.addPayment(500, new Date(2005, 1, 28), null, 12, 5, 31);

addPayment

addPayment

(amount, firstDate, lastDate, period, number, startday)

Adds a payment.

Parameters

{Number} amount
{Date} firstDate
{Date} lastDate
{Number} period
{Number} number
{Number} startday

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addRateChange(r, new Date(2005, 0, 1));
c.addCompoundPeriodChange(12, new Date(2005, 0, 1));
c.addLoan(2000, new Date(2005, 0, 1));
c.addPayment(500, new Date(2005, 1, 28), null, 12, 5, 31);

addRateChange

addRateChange

(newRate, date)

Sets a new interest rate.

Parameters

{Number} newRate
{Date} date

Returns

Sample

var c = plugins.amortization.newCalculation();
c.addRateChange(r, new Date(2005, 0, 1));
c.addCompoundPeriodChange(12, new Date(2005, 0, 1));
c.addLoan(2000, new Date(2005, 0, 1));
c.addPayment(500, new Date(2005, 1, 28), null, 12, 5, 31);

calculateAmortizationSchedule

calculateAmortizationSchedule

()

Calculates the amortization schedule.

Returns

Sample

plugins.amortization.calculateAmortizationSchedule();

getAmortizationSchedule

getAmortizationSchedule

()

Gets the amortization schedule as a JSDataSet.

Returns

Sample

plugins.amortization.getAmortizationSchedule();

getError

getError

()

Returns the error that remains when solving for the unknown.
Please note that the error should be less or equal to 1E-8 - otherwise, the solveForUnknown value is incorrect.

Returns

Sample

var c = plugins.amortization.newCalculation();
// sets the rate to -1 for unknown.
c.addRateChange(-1, new Date(2005, 0, 1));
c.addCompoundPeriodChange(12, new Date(2005, 0, 1));
c.addLoan(2000, new Date(2005, 0, 1));
var lastDate = null;
var period = 12;
var number_count = 5;
var startday = 31;
c.addPayment(500, new Date(2005, 1, 28), lastDate, period,number_count, startday);
// solves for the interest rate.
c.solveForUnknown();
// gets the interest rate and the error in the calculation.
// which should be small (otherwise the calculation did
// not converge for some reason.
var r = c.getUnknown();
var e = c.getError();

getEvents

getEvents

()

Returns all the amortization events - such as rate changes, loan events, payment events, compounding period changes.

Returns

Sample

plugins.amortization.getEvents();

getRestBalance

getRestBalance

()

Gets the rest balance after the amortization schedule.

Returns

Sample

var rb = plugins.amortization.getRestBalance();

getUnknown

getUnknown

()

Returns the solveForUnknown value.

Returns

Sample

plugins.amortization.getUnknown();

isValidPeriod

isValidPeriod

(period)

Returns true if the period is valid, or false if the period is not valid.

Parameters

{Number} period

Returns

Sample

var v_period = plugins.amortization.isValidPeriod(12);

roundMoney

roundMoney

(amount)

Rounds a number up to the nearest cents.

Parameters

{Number} amount

Returns

Sample

//rounds the number up to 34.35
var rm = plugins.amortization.roundMoney(34.349384);

solveForUnknown

solveForUnknown

()

Returns true if successful or false if the call failed.

Returns