Alcula now features a simple statistics calculator for calculating averages (mean, median and mode) and measures of dispersion (standard deviation, ranges etc.) from a set of numerical values that you provide. You can paste your data from a spreadsheet or a text file or enter the individual values manually.

## Posts Tagged ‘Calculators’

### The new Statistics Calculator

Friday, May 21st, 2010### Scientific calculator skins

Monday, March 8th, 2010Following the nice comments received about the new calculator’s functionality, and since no new bugs were reported, I had time to work a bit on the scientific calculator’s look. The new version adds two user selectable color themes: ‘Wooden’ and ‘Smoke’, the original theme is now called ‘Classic’.

### Complex Numbers Calculator (The Square Root of -1 is not NaN)

Tuesday, January 19th, 2010The **online scientific calculator now supports complex numbers operations**. Complex numbers can be input in **Cartesian, Polar, or Exponential form**. You can also use the calculator to convert to and from cartesian, polar or exponential. Read on to find out more.

### Scientific Calculator Notation and Precision

Monday, January 11th, 2010## How to change the notation and precision displayed by the online scientific calculator

The latest release of the online scientific calculator includes a new functionality: The preferences window. Here you can set the display format for the calculator results. This article gives a bit more information on how the calculator stores numbers internally, it’s precision limitations and explains how to use this new feature.

### How to use the Random Function of the Scientific Calculator

Thursday, December 17th, 2009As seen in a previous post, the new online scientific calculator now has a **random generator function**. This article describes the new function in detail and how to use it for generating **random integers** within a specified interval or for simulating random events such as the rolling of a dice.

### Least Common Multiple (LCM) and ROUND functions added to the calculator

Wednesday, December 9th, 2009The **LCM **and **ROUND **functions have been added to Alcula’s Online Scientific Calculator’s release 0.7.

This article describes what they are and how to use them.

### Online Fraction Calculator

Thursday, November 12th, 2009## Using Alcula’s new online scientific calculator as fraction calculator

One of the most unique and useful features of the online scientific calculator is it’s ability to perform calculations on fractions without converting them to floating point numbers. This article describes how to use it’s power to add, subtract, multiply, divide and even raise fractions to a power.

### INT and GCD, new functions of the Online Scientific Calculator

Tuesday, November 3rd, 2009With the latest release (0.6) of the Online Scientific Calculator, come two new functions: **INT (Integer) **and **GCD (Greatest Common Divisor)**. Here is a brief explanation of how they work and why they are useful.

### The RPN Calculator

Tuesday, October 27th, 2009Alcula’ has finally a simple RPN calculator. It’s a very simple small program entirely written in Javascript that loads lightning-fast, ideal for slow internet connections. This article describes how it works.

### Alcula’s new Scientific Calculator

Friday, September 25th, 2009Welcome to the first article of Alcula’s blog. Here you will find fresh information about the website, it’s new features and tools as well as general news on the world of calculators, math and other things related.

The most important piece of news for the site is the addition of the new **Scientific Calculator**. This is what this post is all about.

It has taken many months of development and it’s far from being complete but even at this stage it is the most complete tool for making calculations online. The current version is available here.

**So what does it do?**

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