Surely everyone knows that the result of multiplying two negative numbers is positive. The formula "minus times a minus is a plus" or **"negative times a negative is a positive"** was put into our heads during the early school years. However, the teachers have forgotten to explain why this is the case, and to pass the motivation of mathematicians who defined the arithmetic of negative numbers.

## π― Fractions support in Scalar Calculator

When working with Scalar **you can enter numbers in the form of fractions** and convert decimal numbers into fractions. This is very convenient because fractions function on a par with other numbers, i.e. they are converted to decimal numbers.

## β Entering number as fractions

Entering numbers in the form of fractions is done using the following syntax:

Continue reading "π― Fractions support in Scalar Calculator"## π― Various numeral systems in Scalar Calculator

Today you will learn how to use different numeral systems in the Scalar calculator. Thanks to Scalar it is very easy to:

- Convert decimal system
**to other numeral systems** - Convert
**other numeral systems**into a decimal system - Enter values simultaneously in
**different numeral systems** - Acquire
**information about the digits of a given numbe**r on the basis of the indicated numeral system

Stay tuned, this is exciting π

Continue reading "π― Various numeral systems in Scalar Calculator"## π― Prime numbers support in Scalar Calculator

Today I will present various types of support for prime numbers that the Scalar calculator provides. There will be some theory, some screenshots, and a few lines of code that you can use directly in your Scalar instances. Stay tuned! π

## β Scalar functions and options related to prime numbers

Let's start with the list of functions and options available in Scalar, which are linked to prime numbers. On the calculator screen, long click on the **"example /?"** button. As a result you will get the help dialog containing search option. Enter "prime" keyword.