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loan-calc-typescript\nLoan calculator written in TypeScript. \nOO interface. \nARM (Adjustable Rate Mortgage) options.\nInterest only repayments. \nExtra payments option.\n\n## Installation\n\n```\nnpm install @dazlab-team/loan-calc\n```\n\n## Usage examples\n\n### Basic usage\n\n```typescript\nimport {Loan} from '@dazlab-team/loan-calc';\n\nlet loan = new Loan();\nloan.amount = 800000;\nloan.years = 25;\nloan.interestRate = 2.56;\n\nconsole.log(loan.totalCost);\nconsole.log(loan.totalInterest);\nconsole.dir(loan.payments);\n```\n\n### Extra monthly payments\n\n```typescript\nimport {Loan} from '@dazlab-team/loan-calc';\n\nlet loan = new Loan();\nloan.amount = 800000;\nloan.years = 25;\nloan.interestRate = 2.56;\nloan.extraPayment = 1000;\n\nconsole.log(loan.totalCost);\nconsole.log(loan.totalInterest);\nconsole.dir(loan.payments);\n```\n\n### Interest only repayments\n\n```typescript\nimport {Loan} from '@dazlab-team/loan-calc';\n\nlet loan = new Loan();\nloan.amount = 800000;\nloan.years = 25;\nloan.interestRate = 2.56;\nloan.interestOnlyYears = 3;\n\nconsole.log(loan.totalCost);\nconsole.log(loan.totalInterest);\nconsole.dir(loan.payments);\n```\n\n### ARM\n\nPlease note that the trivial ARM rate calculation strategy is implemented at the\nmoment which implies increasing the initial variable rate by fixed percentage each\nN months (N=12 by default).\n\nHere's an example:   \n\n```typescript\nimport {Loan} from '@dazlab-team/loan-calc';\n\nlet loan = new Loan();\nloan.amount = 800000;\nloan.years = 25;\nloan.interestRate = 2.56;\n\nloan.armInitialVariableRate = 1.86;\nloan.armMaximumInterestRate = 3.56;\nloan.armExpectedAdjustmentRate = 0.25;\nloan.armMonthsBetweenAdjustments = 12;\nloan.armFixedRateForYears = 1;\n\nconsole.log(loan.totalCost);\nconsole.log(loan.totalInterest);\nconsole.dir(loan.payments);\n```\n\n### Rounding\n\n```typescript\nimport {Loan} from '@dazlab-team/loan-calc';\n\nlet loan = new Loan();\nloan.amount = 800000;\nloan.years = 25;\nloan.interestRate = 2.56;\nloan.rounding = 0; // means to calculate numbers with no fraction part\n\nconsole.log(loan.totalCost);\nconsole.log(loan.totalInterest);\nconsole.dir(loan.payments);\n```\n\n### Repayment frequency\n\n```typescript\nimport {Loan} from '@dazlab-team/loan-calc';\n\nlet loan = new Loan();\nloan.amount = 800000;\nloan.years = 25;\nloan.interestRate = 2.56;\nloan.repaymentFrequency = 'fortnightly';\n\nconsole.log(loan.totalCost);\nconsole.log(loan.totalInterest);\nconsole.dir(loan.payments);\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdazlab-team%2Floan-calc-typescript","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdazlab-team%2Floan-calc-typescript","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdazlab-team%2Floan-calc-typescript/lists"}