Calculator Search Results

How To: 11 Best Calculator Apps for iPad to Solve All Your Math Needs

Apple doesn't include a calculator on the iPad and never did. One almost appeared over 12 years ago but was nothing more than a blown-up version of the iPhone app. Since then, the company still hasn't made an iPad-optimized calculator, and there is no shortage of third-party alternatives to fill the gap. It may happen one day, but for now, these are the best calculator apps for your iPad.

How To: There's a Hidden Scientific Calculator on Your iPhone

The Calculator app on your iPhone may seem boring and basic, but there are a few interesting tricks worth knowing. You can ask Siri to perform calculations for you, long-press on results to copy them, long-press the field to paste numbers in, and swipe left or right above the keypad to delete digits one by one. The app can also be used as a scientific calculator with just a simple maneuver.

How To: Update Your iPhone Calculator's Look with These Easy Color Mods

If you're anything like me, you use the Calculator app on your iPhone like fifty times a day, and you're sick of the same user interface it's had since iOS 11 came out. While you can't mod the button shapes and sizes, there is a way to breathe new life into your calculations with some Calculator theming.

How To: The Hidden Way to Delete Numbers on Your iPhone's Calculator

Let's say you're using your iPhone's Calculator app, and you're knee-deep into a complicated calculation with many steps. You type in a large number, for example, "123,466,789," but mess up. You meant to type "5" midway through but accidentally typed "6" instead. The only thing to do now is start over, no matter how far along you are, right? Wrong.

How To: Give Your Android Phone Some “Material Design” with Google's New Calculator App

With Google's latest version of their mobile OS, Android L, the most notable aesthetic difference is the newly introduced Material Design concept that will soon be ever-present through the interface. The objective of this bold design is to create "hierarchy, meaning, and focus," as described by Google, and the deliberate choices of color and white space "to create immersion and clarity."

How To: Be a human calculator

Before we had the calculator and before we had the abacus we had the human brain to complete our math problems for us. Remember that? Well, it seems that few of us do, resorting to calculators on our phone for elementary subtraction problems and multiplication.

How To: Subtract numbers on an abacus calculator

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this two-part arithmetic lesson on subtracting with an abacus. Could this be any easier than adding? Maybe, can you "borrow" the knowledge to subtract these numbers without an electric calculator? See for yourself.

How To: Find determinants with a TI-83 calculator

Looking for a primer on how to find determinants using a TI-83 graphing calculator? See how it's done with this free video math lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Do matrix algebra on a TI-83 calculator

Looking for a primer on how to solve matrix problems using a TI-83 graphing calculator? See how it's done with this free video algebra lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Find your bra size with th Berleis bra size calculator

No longer do you have to struggle with bras that just don't quite fit the way you want them to, or even worse, bras that are never comfortable despite being "your size" The Bra Size Calculator from Berlei is here to help you. All you have to do is take some simple measurements and you will know the bra size that really is the best for you.

How To: Create a mortgage calculator in Microsoft Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 355th installment in their series of digital spreadsheet magic tricks, you'll learn how to use VLOOKUP to create a mortgage calculator that can handle four different types of loans: begin annuity, end annuity, interest only and "other."

How To: Construct a vinegar battery and power a calculator

Using only vinegar and a few simple materials, it is possible to construct a working battery. This science video tutorial explains how to construct and use a battery like this to power a calculator. A good science project as part of an introductory electricity course. This project can be used as a science fair project or merely for fun. If you've ever wanted to make your own battery, know is the time, this science experiment will show you how.

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