What are acid-test/quick ratio???

• http://www.investopedia.com/terms/a/acidtest.asp
• http://www.investopedia.com/terms/q/quickratio.asp
• http://accountingexplained.com/financial/ratios/quick-ratio
• http://en.wikipedia.org/wiki/Quick_ratio
• http://www.dummies.com/how-to/content/calculating-the-acidtest-ratio-for-a-business.html
• http://www.readyratios.com/reference/liquidity/acid_test_ratio.html
• ooooooooooooooooooooooooooooooooooooooooooo