THE BEST - Bar None
Im a connoisseur of calculators. Around 1972, I bought the first Texas Instuments electronic, pocket calculator they produced - $150 for only 4 functions (+ - x ÷). I purchased about 50 to 60 more in the following years. Then computers came along. I purchased another 30 to 40 calculator programs. Since acquiring my iPad 3 years ago, Ive purchased another 20 or so. CalcMadeEasy is my latest. Im just saying, I know calculators. Math has been a lifelong hobby for me.
Without reservation, this is the absolute BEST general purpose calculator I have EVER come across. Within minutes of getting acquainted with this calculator, it became my favorite. As I explored it further, each new feature I discovered made me love it more. Its many bells & whistles are not merely cute or cool, they are all extremely USEFUL.
The fact you can save your calculations to a text page is very useful, but also available on other calculators. However, the fact I can fully edit them AND save them in separate tabs, is both amazing and enormously helpful. I can now work on a complicted problem over a long period of time (days/weeks) without having to repeat initial calculations. The review lamenting being unable to paste conversions back into the calculator is incorrect. I do that all the time - works perfectly. Simply single tap the number you want to transfer/copy and then tap “To Calc”.
The HELP menu is the best Ive seen. Most other caculators have no help at all. CalcMadeEasy tells you, in very simple terms, what ever button does, that is, how to use them. Most of that I already know, but a novice calculator user will find it invaluable.
I could write pages and pages about all the wonderful, unique features of this app. I suggest you add all of the super-cheap options to the app. Theyre all very useful and they interact with the basic calculator in many useful ways.
It shares one limitation with 99% of other calculators, that is, its accuracy is limited to ~15 significant digits. For your day to day needs, thats plenty, but if you need PRECISE calculations for astronomy, physics, chemistry, statistics, etc., this app is lacking, as are its competitors. For example, if youre curious about how many unique ways a common deck of playing cards can be arranged, it will give you a rough estimate, but not the accurate, 68-digit answer. If they added an option for precise answers to ~200 or so digits, even if shown only in the notes section, Id pay $10 or more for that. As it is now, to my knowledge, only one calculator in the app store does that, but its other features are severely lacking.
Nonetheless, CalcMadeEasy is, bar none, the BEST general purpose calculator Ive been able to find! HIGHLY recommend! I have NO connection whatsoever with this developer.
And, for the curious - you can arrange a 52 card deck this many unique ways (52!):
80,658,175,170,943,878,571,660,636,856,403,766,975,289,505,440,883,277,824,000,000,000,000
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CalcMadeEasy, v4.3