App-FinanceUtils

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META.json  view on Meta::CPAN

            "Test::Pod" : "1.41",
            "Test::Pod::Coverage" : "1.08",
            "Test::Rinci" : "0.151"
         },
         "x_spec" : {
            "Rinci" : "v1.1.90"
         }
      },
      "runtime" : {
         "requires" : {
            "Data::Sah::Coerce::perl::To_float::From_str::percent" : "0",
            "Data::Sah::Compiler::perl::TH::float" : "0",
            "Perinci::CmdLine::Any" : "0",
            "Perinci::CmdLine::Lite" : "1.820",
            "Perinci::Sub::Gen::FromFormulas" : "0",
            "perl" : "5.010001",
            "strict" : "0",
            "warnings" : "0"
         }
      },
      "test" : {

META.yml  view on Meta::CPAN

configure_requires:
  ExtUtils::MakeMaker: '0'
dynamic_config: 0
generated_by: 'Dist::Zilla version 6.012, CPAN::Meta::Converter version 2.150010'
license: perl
meta-spec:
  url: http://module-build.sourceforge.net/META-spec-v1.4.html
  version: '1.4'
name: App-FinanceUtils
requires:
  Data::Sah::Coerce::perl::To_float::From_str::percent: '0'
  Data::Sah::Compiler::perl::TH::float: '0'
  Perinci::CmdLine::Any: '0'
  Perinci::CmdLine::Lite: '1.820'
  Perinci::Sub::Gen::FromFormulas: '0'
  perl: '5.010001'
  strict: '0'
  warnings: '0'
resources:
  bugtracker: https://rt.cpan.org/Public/Dist/Display.html?Name=App-FinanceUtils
  homepage: https://metacpan.org/release/App-FinanceUtils

Makefile.PL  view on Meta::CPAN

  "EXE_FILES" => [
    "script/calc-fv-future-value",
    "script/calc-fv-periods",
    "script/calc-fv-present-value",
    "script/calc-fv-return-rate"
  ],
  "LICENSE" => "perl",
  "MIN_PERL_VERSION" => "5.010001",
  "NAME" => "App::FinanceUtils",
  "PREREQ_PM" => {
    "Data::Sah::Coerce::perl::To_float::From_str::percent" => 0,
    "Data::Sah::Compiler::perl::TH::float" => 0,
    "Perinci::CmdLine::Any" => 0,
    "Perinci::CmdLine::Lite" => "1.820",
    "Perinci::Sub::Gen::FromFormulas" => 0,
    "strict" => 0,
    "warnings" => 0
  },
  "TEST_REQUIRES" => {
    "File::Spec" => 0,
    "IO::Handle" => 0,

Makefile.PL  view on Meta::CPAN

    "Test::More" => 0
  },
  "VERSION" => "0.003",
  "test" => {
    "TESTS" => "t/*.t"
  }
);


my %FallbackPrereqs = (
  "Data::Sah::Coerce::perl::To_float::From_str::percent" => 0,
  "Data::Sah::Compiler::perl::TH::float" => 0,
  "File::Spec" => 0,
  "IO::Handle" => 0,
  "IPC::Open3" => 0,
  "Perinci::CmdLine::Any" => 0,
  "Perinci::CmdLine::Lite" => "1.820",
  "Perinci::Sub::Gen::FromFormulas" => 0,
  "Test::More" => 0,
  "strict" => 0,
  "warnings" => 0

lib/App/FinanceUtils.pm  view on Meta::CPAN

            caption => 'future value',
            schema => ['float*'],
        },
        pv => {
            caption => 'present value',
            schema => ['float*'],
        },
        r => {
            caption => 'return rate',
            summary => 'Return rate (e.g. 0.06 for 6%)',
            schema => ['float*', 'x.perl.coerce_rules'=>['From_str::percent']],
        },
        n => {
            caption => 'periods',
            summary => 'Number of periods',
            schema => ['float*'],
        },
    },
    formulas => [
        {
            formula => 'fv = pv*(1+r)**n',
            examples => [
                {
                    summary => 'Invest $100 at 6% annual return rate for 5 years',
                    args => {pv=>100, r=>0.06, n=>5},
                },
                {
                    summary => 'Ditto, using percentage notation on command-line',
                    src => '[[prog]] 100 6% 5',
                    src_plang => 'bash',
                },
            ],
        },
        {
            formula => 'pv = fv/(1+r)**n',
            examples => [
                {
                    summary => 'Want to get $100 after 5 years at 6% annual return rate, how much to invest?',

script/calc-fv-future-value  view on Meta::CPAN

 % calc-fv-future-value [options] <pv> <r> <n>

Examples:

Invest $100 at 6% annual return rate for 5 years:

 % calc-fv-future-value 100 0.06 5
 133.82255776

Ditto, using percentage notation on command-line:

 % calc-fv-future-value 100 6% 5
 133.82255776

=head1 DESCRIPTION

Formula is:

 fv = pv*(1+r)**n