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ROC Analysis logo

Web-based Calculator for ROC Curves Registration not required.

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Published on 2010-08-06 08:48:37
Currency Converter logo

Perform currency and foreign exchange calculations using live, mid-market rates. Registration not required.

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Published on 2010-08-05 12:57:17
Digital Dutch logo

Multiuse converter for units on: Angle, Area, Bits, Density, Electric, Energy, Focrce, Fuel, Length, Mass, Power, Pressure, Speed, Temperature, Time, Volume Registration not required.

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Published on 2010-08-05 12:48:15
SISA logo

SISA allows to do quite complete statistical analysis directly on the Internet. Registration not required.

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Published on 2010-08-05 12:45:23
Random Number generator logo

RANDOM.ORG offers true random numbers to anyone on the Internet. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs. Registration not required.

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Published on 2010-08-05 12:43:20
Random number calculators logo
Subcategories: GraphPad

Randomly assign subjects to groups; Simulate data by generating random numbers; Randomly select a subset of subjects. Registration not required.

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Published on 2010-08-05 12:42:23
Stat Calculator logo
Subcategories: StatPages

This is a simple but fairly general numeric expression evaluator, with a large number of built-in transcendental functions. Registration not required.

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Published on 2010-08-05 12:42:11
QuickCalc logo
QuickCalc allows: GraphPad

Confidence interval of a proportion or count.; Chi-square test; 2x2 contingency table; McNemar's test to analyze a matched case-control & paired comparison; binomial and sign test for two possible outcome; NNT (Number Needed to Treat); predictive values from sensitivity, specificity, and prevalence; Kappa test. Registration not required.

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Published on 2010-08-05 11:38:53
High-Precision Distribution Calculators logo

Normal, Student's T, Chi-Square and F Statistical Tables from SOCR (UCLA) Registration not required.

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Published on 2010-08-05 11:22:14
P-value calculator logo
Subcategories: GraphPad

Use this calculator to compute a P value from a Z, t, F, r, or chi-square value. Registration not required.

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Published on 2010-08-05 11:16:49
Power/Sample size calculator logo
Subcategories: Power , StatPages

This screen computes the sample size required to detect a difference between two proportions. Registration not required.

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Published on 2010-08-05 11:11:00
Convert-me logo

Online conversions (e.g. metric conversions) for many measurement systems. Conversion tables are provided for both common (U.S., metric, etc.) and quite exotic units like Ancient Greek and Roman. You can also ask your questions and discuss how to convert units on our Units Conversion Forum. Registration not required.

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Published on 2010-08-04 11:39:05
Safety Data Sheets logo

List of sites with large collections of Material Safety Data sheets (MSDS). Registration not required.

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Published on 2010-08-03 12:15:33
National Toxicology Program logo
Category: Toxicology

The National Toxicology Program (NTP) was established in 1978 as a cooperative effort to: Coordinate toxicology testing programs within the federal government; strengthen the science base in toxicology; develop and validate improved testing methods; provide information about potentially toxic chemicals. Registration not required.

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Published on 2010-08-03 12:13:15
Carcinogenic Potency Database (CPDB) logo
From NIH
Category: Cancer etiology

The CPDB is an international resource of the results of thousands of chronic, long-term animal cancer tests on chemicals. The CPDB provides easy access to the bioassay literature, with qualitative and quantitative analyses of both positive and negative experiments that have been published over the past 50 years in the general literature through 2001 and by the National Cancer Institute/National Toxicology Program through 2004. Registration not required.

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Published on 2010-08-03 12:04:04
Cytochrome P450 logo

Databases and nomenclature for cytochromes P450 in nature Registration required.

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Published on 2010-08-03 09:23:24
Virus Particle Explorer logo

VIPERdb is a database for icosahedral virus capsid structures. The web site includes powerful search utilities , links to other relevant databases, background information on virus capsid structure, and useful database interface tools. Registration not required.

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Published on 2010-08-03 09:09:57
ScienceJobs logo
Subcategories: Jobs

ScienceJobs is a job site for recruiting the top scientists in associations with the Journal of American Science. Registration not required.

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Published on 2010-08-03 04:08:47
CELL Career Network logo
Subcategories: Jobs

CELL Career Network is in association with Cell magazine and provides a job search engine for scientist. Registration not required.

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Published on 2010-08-03 04:07:01
Science Careers Job Seeker logo
Subcategories: Jobs

Job Seeker is a job search engine in association with Science magazine. Options include keywords, discipline, period and location Registration not required.

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Published on 2010-08-03 03:59:27
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