README.md in cash_flow_analysis-0.1.0 vs README.md in cash_flow_analysis-0.2.0
- old
+ new
@@ -1,7 +1,9 @@
# CashFlowAnalysis
+[](https://travis-ci.org/hightower/cash_flow_analysis)
+
Ruby implementation of various financial analysis functions.
## Installation
Add this line to your application's Gemfile:
@@ -36,24 +38,9 @@
Calculates the [payment for a loan](http://en.wikipedia.org/wiki/Mortgage_calculator), assuming fixed payments and rates.
```
CashFlowAnalysis::Calculator::Payment.calculate(10000, 60, 0.025)
# 323.5339590005929
-```
-
-### XIRR
-
-Calculates the [XIRR](http://en.wikipedia.org/wiki/Internal_rate_of_return), assuming irregularly timed cash flows.
-
-```
-items = []
-items << OpenStruct.new(date: Date.new(2008, 1, 1), amount: -10000)
-items << OpenStruct.new(date: Date.new(2008, 3, 1), amount: 2750)
-items << OpenStruct.new(date: Date.new(2008, 10, 30), amount: 4250)
-items << OpenStruct.new(date: Date.new(2009, 2, 15), amount: 3250)
-items << OpenStruct.new(date: Date.new(2009, 4, 1), amount: 2750)
-CashFlowAnalysis::Calculator::Xirr.calculate(items)
-# 0.373362533517793504136316860945228...
```
### XNPV
Calculates the [XNPV](http://en.wikipedia.org/wiki/Net_present_value), assuming irregularly timed cash flows.