EduCalc Classic - Reviews, Revenue and Downloads - Apple App Store

Description

A powerful, flexible graphing calculator

Does far more than most calculators out there.

Features:

1) Scientific Calculator. Simple to grasp and easy to use, but powerful features are available when you need them. Available functions include the following:

• the usual arithmetic functions and exponentiation.
• square root, cube root, nth root, natural log, log base 10, log of arbitrary base, absolute value, factorial, permutations (nPr), combinations (nCr), modulus, random integer, bell curve, cumulative normal distribution, decimal to fraction.

2) Graphing. Capabilities:

• Graph up to four equations at once.
• Graphs are labeled.
• You can drag the graph or pinch to zoom in or out.
• Calculator can find roots and intersections.
• Graph in polar coordinates.
• Graph parametric equations
• Can graph implicit functions, such as x^2+y^2-4=0. Most calculator apps can't do this!

3) A unit converter. With a tap, you can enter the result of your conversion into the calculator. Currently converts different units of the following: acceleration, angle, area, density, distance, energy, force, mass, power, pressure, speed, temperature, time, and volume. Great for doing physics homework!

4) Constants for scientific calculations -- speed of light, strength of gravity at Earth's surface, etc. etc. etc. Tapping on a constant will insert it into your calculation -- i.e, you don't have to key in the value. Again, great for doing physics homework!

5) It can make a table of the values of any function you care to enter. You can choose the starting x value of the table, as well as how much x increases for each successive row.

6) Help screens linked directly to many of the available functions and constants. Tap the disclosure arrow to see the definition.

7) Forgot the quadratic formula? Or the double-angle formulas for sine and cosine? The math/science reference hits the high points of various subjects. Currently includes algebra, differential and integral calculus, geometry, trigonometry, vectors, vector calculus, and classical mechanics.

8) Keep track of significant figures [AKA sig figs]

9) Statistics -- enter data and make a histogram, box and whisker plot, or scatter plot with optional regression line.

If you are viewing this in iTunes, you will see five iPhone screenshots and five iPad screenshots. But even ten shots don't come close to showing everything this calculator can do.

I'd love to hear your comments or suggestions. You can write me at [email protected] -- but without the xyz. Thanks!

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Screenshots

User Rating

3.93 out of 5

300 ratings in United States

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187

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Ratings History

Reviews

Super useful calculator

Got me through college engineering. That’s good enough for me

Great app!

I use this so often in my day to day life, and I highly recommend it, especially since you can see all your previous calculations. I did have an issue where the app would only display a blank screen, but uninstalling the app and reinstalling it seemed to fix it.

Best Calculator

I have been using this calculator since 2013. I am an Engineer, so this calculator helped me a lot. I’ve used this calculator for all of my calculus class, physics, and real life application.Please do not use the regular Apple calculator.

Perfect

You are a saint, this app is godly please make more apps as useful as this

love this app

simply love this calculator.

Please update!! This was the best calc app

I downloaded this graphing calculator in 2013 to use in my 9th grade algebra class and I’ve been using it exclusively ever since. I love that it keeps a history and can do any unit conversions. Not sure if it’s no longer supported, but it stopped working December 2021 and is now just a blank screen. Please continue to support this app and update it!! I’ve tried a lot of other calculator apps on ios and none have everything this app offered. I don’t want to give it up.

Works perfectly

Way better than the iPhone Calculator, and has so many useful features even in the free version. Had it for years and don't plan on deleting it ever.

Basics

I use just the basics on this calculator and some trigonometry here and there so I can’t say if the graphs work but I love this app. It keeps a history and it is very simple and easy.

Best Graphing Calculator EVER!

I LOVE this graphing calculator. I use it more than any other app that I own! Thank you so much for such a wonderful program!

Best calculator on ios

Been using this app since freshman in high school and I still use it while I’m in college. I never write reviews but this calculator is just so underrated

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