Alcula's Online Calculators' Blog

Introducing the online temperature conversion tool

August 5th, 2010

Convert units of temperature between Celsius, Fahrenheit, kelvin and many other historical temperature scales, with Alcula’s handy temperature conversion tool.

Read the rest of this entry »

The new Statistics Calculator

May 21st, 2010

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.

Read the rest of this entry »

How to solve Quadratic Equations

March 16th, 2010

Quadratic equations are very easy to solve using a calculator. Alcula’s ┬áscientific calculator makes it even easier. This is the first of a series of examples of how entering commonly used formulas as user defined functions into the ┬áscientific calculator can help you streamline your work, weather your are checking your homework or verifying the solutions to the exercises in your math textbook.

Read the rest of this entry »

Scientific calculator skins

March 8th, 2010
Following 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 look and feel of the calculator. The new version adds two user selectable skins: ‘Wooden’ and ‘Smoke’, the original look is now called ‘Classic’. ┬áHere they are:

Following 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’.

Wooden

Wooden

Read the rest of this entry »

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

January 19th, 2010

The 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.

The Online Scientific Calculator for Complex Numbers

The Online Scientific Calculator for Complex Numbers

Read the rest of this entry »

Scientific Calculator Notation and Precision

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.

Read the rest of this entry »

How to use the Random Function of the Scientific Calculator

December 17th, 2009

As 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.

Random integer function on the scientific calculator

Using the Random Integer Function on the Scientific Calculator

Read the rest of this entry »

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

December 9th, 2009

The 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.

Read the rest of this entry »

Online Fraction Calculator

November 12th, 2009

Operations with Fractions

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.

Read the rest of this entry »

INT and GCD, new functions of the Online Scientific Calculator

November 3rd, 2009

With 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.

Read the rest of this entry »