Quadratic equations are very easy to solve using a calculator. Alcula’s scientific 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 scientific calculator can help you streamline your work, weather your are checking your homework or verifying the solutions to the exercises in your math textbook.

## Archive for the ‘Math’ Category

### How to solve Quadratic Equations

Tuesday, March 16th, 2010### 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.

### 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.