# What No Calculator? Well Use Google Then!

By Peter B. Giblett, 9th Mar 2014 | Follow this author | RSS Feed
Posted in Wikinut>Guides>Internet

We are all well aware of some of the power of Google, type any question and it can find the answer for us, but did you know that you can use this search engine to find the answer to your mathematical problems? When you find yourself without a calculator then, just perhaps, it is time to turn to your on-line calculator.

## Mental Arithmetic

There is a man I know that has the ability to do all his arithmetic mentally and he hardly ever makes a mistake, most people are simply stunned by his ability but in reality they could do it themselves if they took the opportunity to train their minds to do it the old fashioned way. The majority of people however do rely upon some form of technology to fulfil their calculation needs and this is where the trusty old calculator comes in handy.

It comes as no surprise that you can also use Excel to answer all your mathematical questions and there are many that use this valuable tool for simple answers, but few people ever think of turning to Google for their answers. Yet this is precisely where many of the answers can be found and if you think about it why not leverage the power of Google's supercomputer for your own benefit?

Truth is we have many, many questions that come to mind yet few people ever think to turn to Google for their mathematical answers, yet I found this resource almost by accident when asking for a currency conversion, what I actually sought was xe.com (but I could not remember the name of the site) so I typed the conversion I was looking for and this time Google provided the answer, which sent me looking for other mathematical answers it could provide.

Ever needed to know what 68% of 19 is? Or perhaps how many Euros my \$376 is worth? Believe it or not all these answers (and many many more) are available on Google. There we are type in "68% of 19" and you get the answer given to you in an instant - 12.92. The answer is correct because I have cross checked it with other calculators. Even further you can then click on the calculator's buttons to perform any other calculation you wish to.

## 68% of 19

The answer, displayed for all to see.

Further you can enter (123*72%)+(68*12.5%) / 4 into the search bar to obtain the result.

## (123*72%)+(68*12.5%) / 4

All the computing power of the Google servers is thus available to you to calculate everything you need and you can do it in a textual way.

## Just Type and Calculate

You can use any of the basic operators:

+ plus
- minus
* multiply
/ divide

Please remember though that these operators have mathematical priorities that you may recollect from your school days. Google will do its best to place the brackets and looking at the example above it does a reasonable job. I could have pushed this example further but decided not to as this demonstrates its ability. I have always felt that if the maths needs brackets then the human must define them correctly - this used to be one of the parts of programming that I took pains to ensure were right as incorrect answers were hardly ever immediately visible.

## Currency Conversion

I have \$392 in my bank account right now and how many Euros will that purchase? Perfectly good question, so lets take a look. Well the answer you get will depend on the currency conversion rate on the specific day they you make your enquiry. It will not tell you how much you will be charged to convert your currency, but that is another matter.

## Hot or Cool?

It will also calculate other conversions for you e.g. Fahrenheit into Celsius by simply typing.

It is capable of converting currency, mass, volume, lengths, area, time, electricity, energy, power and quantities; and a few more besides.

## Power of and Advanced Calculations

Also included in calculation is power of. Remember that 2 to the power of 2 (e.g. 2 squared) is 4 and 2 to the power of 3 (e.g. 2 cubed) is 8. To access "power of" calculations you need to either use the "^" or the "**" operators.

Advanced mathematics requires functions such as sin, cos, tan, all of which are present on the Google calculator. Here are a few:

• Trigonometric functions - sin, cos, tan, sec, csc, cot and others
• Inverse trigonometric functions - arcsin, arccos, arctan, arccsc, etc.
• Hyperbolic functions - sinh, cosh, tanh, csch, arsinh, arccsch and others
• Logarithm base e (ln), Logarithm base 10 (log), Logarithm base 2 (lg)
• Exponential function (exp)
• Factorial (!)

That should be a few to get you going!

In addition you are able to access many commonly used physical constants which mean that you can add much power building equations in your Google search.

The ability to calculate gives us much power. Do you have something to say? To date the author (Peter B. Giblett) has published a wide variety articles on many subjects here on Wikinut plus others on a variety of other sites, these are the most recent articles published include:

Each person has a unique voice and Wikinut is great a place for you to share some of your wisdom, insight and knowledge, you could start by adding a comment, but perhaps you need something more in which case should join Wikinut, write then become connected to others who share a passion for writing, supporting one another, and learning on Wikinut.

### Meet the author

Peter B. Giblett

Social media consultant, with C-Level background.

With so many new apps online people will no longer find the need to use the things that we once relied on. Now they just focus on the bigger and better toys. Although I do have to admit I sometimes am also guilty of using these things too. Nice article

Good afternoon, Peter, I confess I use it to calculate my Wikinut earnings into dollars. Google is generally on my computer and I do not have to frantically search for the calculator - expediency over effort :) Thank you for a reminder of other practical uses. ~Marilyn

I am not very comfortable with math I admit, and I really was not aware how easy Google had made it to do math online like that, great.

NIce post!

Nice informative post, Peter. If I could just get Google to make my coffee....

Google is awesome and presents so many uses.

Where would we be without Google Peter ?
I certainly don't need it to calculate my Wiki earnings that's for sure , but it is so helpful for many other uses and needs .
Bless you
Stella

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