Two examples are abacus and slide rule
abicuss
A website called Mini Web Tool has a long list of financial calculators online. They have mortgage calculators, auto loan calculator, calculate interest calculators, credit card calculator, ROI calculators, profit to sales ratio calculator, and many more. They have calculators for almost every need.
calculators and rulers are important math tools
Personal loan calculators can be a helpful tool for generating estimates. However, you should always check with a financial professional before moving forward.
There are car loan calculators available online. It is handy tool for figuring out what kind of loan that you can afford to have. Here is a website that will help: www.onlineloancalculator.org/
Interest Calculators are a very important tool to insure you keep your finances straight. There are several sites that offer interest calculators, but the best 2 you can find are located on the Interest and Money Chimp official websites.
The Financial Consumer Agency of Canada has a credit card payment calculator tool available on their website. CreditCanada and CalculatorWeb.com also have these calculators available on their website.
Some tools not commonly used today include the abacus, which was once a primary calculation tool before modern calculators, and the slide rule, which was widely used for mathematical calculations before the advent of electronic devices. Additionally, quill pens and inkpots have largely been replaced by modern pens and digital writing tools. Lastly, manual typewriters, while nostalgic, have been superseded by computers and word processors.
You can use a specialized tool called a "return on investment calculator." One of these special tools can be found here: http://www.money-zine.com/Calculators/Investment-Calculators/Return-on-Investment-Calculator/ It takes the amount of the original investment, the future value of the investment, and the time elapsed into account.
John Napier is known as the father of logarithms. He introduced the concept in the early 17th century, providing a mathematical tool that simplified complex calculations by transforming multiplication and division into addition and subtraction. His work laid the groundwork for the development of logarithmic tables, which were widely used in various fields before the advent of calculators. Napier's contributions significantly advanced mathematics and scientific computation.
There are many mathematical tools. Arithmetical computation is one that is used daily.
An abacus is an ancient mathematical tool invented by the Japanese.