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To do a cool calculator trick, start by writing the number 73 on a piece of paper and folding the paper in half. Hand the paper to a volunteer, but don't let them look at what's on it! Then, ask your volunteer to enter a 4-digit number into a calculator twice so there's an 8-digit number on the screen.
Method 1. Invisible Numbers Trick. Download Article. 1. Get a calculator (electronic solar powered). 2. Type in some numbers and cover up the solar power thing with your thumb. 3. The numbers should disappear! 4. Lift your thumb and the numbers will come back again. Method 2. Words on a Calculator Trick. Download Article. 1.
Here are the TOP 20 Calculator Hacks for Mathematics!#1 Fraction → Decimal → Mixed Number#2 Solving mixed numbers#3 Standard Form#4 Recurring Decimals as Fra...
"Got Your Number" Calculator Trick. Have someone type in any number between 1 and 900 into the calculator without letting you know what it is. (Actually, this trick will work for numbers greater than 900, but on most calculators the resulting display will not be large enough).
Here are the top 10 words (or phrases) that can be done using only digits and numbers on a typical calculator. Note I am using a calculator that can take inputs and display more than 8 digits ...
Calculator Fun. Use your own calculator, or the Full Precision Calculator for many more digits. Many of these seem like magic, but there is always a reason ... see if you can discover it!
If you want to write words with a calculator, start by memorizing what numbers look like which letters when the calculator is held upside down. For example, 3's look like E's and 7's look like L's. Once you know what word you want to type, enter the numbers backward and then hold the calculator upside down to see the word.
Calculator Tricks. Amusing things to do with a calculator. Mind Reading. Have someone pick a number between 1 and 9. Now have him use a calculator to first multiply it by 9, and then multiply it by 12,345,679 (notice there is no 8 in that number.). Have the person show you the result so you can tell him the original number he selected. How?
Let’s figure out the missing digit by casting out 9s: 1 + 1 + 6 + 2 + 1 + 6 + 0 = 17 and 1 + 7 = 8, so the missing digit should be a 1. In general it’s faster (once you practice a bit) to keep a running total in your head as the digits are read aloud and cast out 9s as you go along.
Calculator magic is a fascinating and entertaining aspect of using calculators, showcasing surprising number patterns, wordplay, and creative problem-solving techniques that not only engage people but also highlight the calculator's versatility. These tricks often involve entering specific sequences of numbers or instructions to reveal hidden ...