## How do you do the Hello trick on a calculator?

When you turn your calculator upside down, the order of the letters will be backward—that is, in the right order to spell your word! For example, to spell "HELLO," you will reverse the numbers so that they read 0.7734. If the word ends with an "o," start with 0 then add a decimal (.)

## What words can you spell on a calculator?

8008 is special in that it can spell "BOOB" upside-down or right-side up. 71077345 spells "SHELLOIL". There are also a couple of names that are able to be calculator spelled. For example, 7718=BILL, 46137=LEIgh, 5107=LOIS, 31773=ELLIE, 31717173=ELI LILIE (in Polish: lily flowers of Elisabeth) and 302=ZOE.

## How do you make cool words on a calculator?

You can use a calculator to produce words when you get an answer to a sum. Just turn the calculator upside down. Can you find these 'four-letter' words? e.g. 7 x 5 x 20 + 32 + 1 = 700 + 9 + 1 = 710 = O I L Remember: 25 is worked out as 2 x 2 x 2 x 2 x 2 = 32 etc.

## How to do fun stuff on calculator?

- Guess a number. I like to key in "Ran# x 10 + 1" That gives me a random number between 1 and 10, including 10. ...
- Memory. Key in 6 random two digit numbers, and then cover them up so that you can't see them. ...
- Pi attack. Type out pi as best you can. ...
- High score.

## How do you find infinity on a calculator?

There are a few different ways to get infinity on a calculator, but the most common (and most simple) way to divide a number by zero. As a general rule in math, any real number divided by zero is consider to be undefined. In the case of dividing by zero, undefined and infinity both mean the same thing.

## What does the C button do on a calculator?

The C and CE are the only two functions on a calculator that can create a bit of confusion while they are being operated. Both buttons are a way to erase or clear an entry. The CE (clear entry) button clears the most recent entry while the C (clear) button will clear all input to the calculator.

## Can you play games on calculator?

Graphing calculators are useful for doing complex math. But did you know they can also play games? This wikiHow article will teach you how to download games onto your Texas Instruments or Casio graphing calculator.

## What's the smartest calculator?

Our top pick is the Texas Instruments TI-84 Plus CE, due to its rechargeable battery, fully backlit color display, and lightweight design, allows students to carry it in their backpacks easily. If you are or have a student who needs a graphing calculator, here are some of the best options currently available.

## What is a secret calculator?

The Secret Calculator App looks like an innocent calculator app on your child's Iphone or Android device. Actually, this app is used to hide files, photos and videos.

## How do you spell giggle on a calculator?

giggle. Sometimes a good calculator word can give you a serious case of the giggles. Other times, the word is literally giggle. You can create this word by punching in 376616.

## What are some math magic tricks?

- of 10. Multiplying by 6. ...
- of 10. The Answer Is 2. ...
- of 10. Same Three-Digit Number. ...
- of 10. Six Digits Become Three. ...
- of 10. The 11 Rule. ...
- of 10. Memorizing Pi. ...
- of 10. Contains the Digits 1, 2, 4, 5, 7, 8. ...
- of 10. Multiply Large Numbers in Your Head.

## What is the 73 trick?

The Secret of 73

Entering a three-digit number twice (12341234) is equivalent to multiplying it by 10001. (1234×10001=12341234 1234 × 10001 = 12341234 ). Since 10001=73×137 10001 = 73 × 137 , the eight-digit number will be divisible by 73, 137, and the original four-digit number.

## What does Z mean on a calculator?

A z-score measures exactly how many standard deviations above or below the mean a data point is. Here's the formula for calculating a z-score: z = data point − mean standard deviation Here's the same formula written with symbols: z = x − μ σ

## Who invented calculator?

## What does 33 33 33 33 0 mean?

For the given problem, we have multiplication, addition, subtraction, and division. According to the rule of BODMAS, we will have to do the divide first and we know that we are dividing any number for that matter by zero we get infinity. So, when we are dividing 33×33+33-33 by 0 then the answer will be infinity.

## What is called infinity?

infinity, the concept of something that is unlimited, endless, without bound. The common symbol for infinity, ∞, was invented by the English mathematician John Wallis in 1655. Three main types of infinity may be distinguished: the mathematical, the physical, and the metaphysical.

## What number is infinity?

Infinity is not a real number, it is an idea. An idea of something without an end. Infinity cannot be measured.

## What does the sin button do?

They are used to establish a number from an angle, in a right angled triangle. To work out a SIN/COS/TAN you need to know the hypotenuse, opposite and adjacent. Sine, Cosine and Tangent are opposite corners of the triangle. To find the number out divide the length of one side by another side.

## What is M on the calculator?

You can add calculation results to or subtract results from independent memory. The "M" indicator appears on the display when there is any value other than zero stored in independent memory.

## What value is i in math?

The imaginary part is defined with the help of i. Basically, “i” is the imaginary part which is also called iota. Value of i is √-1 A negative value inside a square root signifies an imaginary value.

## Why does my calculator say E?

On a calculator display, E (or e) stands for exponent of 10, and it's always followed by another number, which is the value of the exponent. For example, a calculator would show the number 2.5 trillion as either 2.5E12 or 2.5e12. In other words, E (or e) is a short form for scientific notation.

## Who is the No 1 human calculator in the world?

Did you know that the "World's Fastest Human Calculator", a title that you're probably hearing for the first time, is an Indian man? Born in Andhra Pradesh's Eluru in 1999, Neelakantha Bhanu Prakash "is to math what Usain Bolt is to running," at least according to the BBC.

## Who is the oldest calculator?

11 Apr Abacus, the oldest calculator

Using a tool to do math and transact business has been around since 2700 BC in the Mesopatamia region. Also called a counting frame, the Abacus, is the oldest calculator in existence.

## Did Einstein use a calculator?

When Albert Einstein forged the bedrock theory of modern physics 100 years ago, he had no computer, no internet, no printer—ballpoint pens and pocket calculators did not exist and few homes had telephones.