Date	Author	Comment
2026-05-09	hi*****	Nothing
Nothing
2022-09-09	Ma*****	I submitted a review 3 years ago and at that time I mentioned I had been using this App for two years. So now I have a total of five years expirence . So I have been so happy with this application and author. I still use the app each day and It works perfectly. Remember it has full instructions that pop up whenever you turn the iPhone to landscape view. This is a super super calculator application. I recommend it to anyone studying math, working as an engineer or chemist, working in finance, working or studying computers. Or just about anybody that can use a full featured calculator. Try it and you’ll like it.
I submitted a review 3 years ago and at that time I mentioned I had been using this App for two years. So now I have a total of five years expirence . So I have been so happy with this application and author. I still use the app each day and It works perfectly. Remember it has full instructions that pop up whenever you turn the iPhone to landscape view. This is a super super calculator application. I recommend it to anyone studying math, working as an engineer or chemist, working in finance, working or studying computers. Or just about anybody that can use a full featured calculator. Try it and you’ll like it.
2021-04-03	No*****	This is a very practical calculator, with a layout similar to the scientific / programming calculators I've used in the past, but with custom functions, fractions, currency conversions, etc. added. That said, I found what seems to be a rounding error when using fractions: 100˽1/3 ÷ 2 50.166666666666666667 Ans→a˽b/c 50˽2.0833333333333333333E+22/1.25E+23 Ans × 2 100.33333333333333333 Ans→a˽b/c 100˽8.3333333333333333334E+22/2.5E+23 ... 16˽2/3 × 8 133.33333333333333333 Ans→a˽b/c 133˽8.3333333333333333334E+22/2.5E+23 These all work fine in a physical calculator that does fractions.
This is a very practical calculator, with a layout similar to the scientific / programming calculators I've used in the past, but with custom functions, fractions, currency conversions, etc. added. That said, I found what seems to be a rounding error when using fractions: 100˽1/3 ÷ 2 50.166666666666666667 Ans→a˽b/c 50˽2.0833333333333333333E+22/1.25E+23 Ans × 2 100.33333333333333333 Ans→a˽b/c 100˽8.3333333333333333334E+22/2.5E+23 ... 16˽2/3 × 8 133.33333333333333333 Ans→a˽b/c 133˽8.3333333333333333334E+22/2.5E+23 These all work fine in a physical calculator that does fractions.
2019-10-21	Ju*****	This app is close to an actual Casio scientific calculator I am using. My only wish is having expressions in D.A.L shown in much bigger font size, preferably with Arial font. I also want to have expressions showing in the scientific mode. These two additions will make this app perfect for me.
This app is close to an actual Casio scientific calculator I am using. My only wish is having expressions in D.A.L shown in much bigger font size, preferably with Arial font. I also want to have expressions showing in the scientific mode. These two additions will make this app perfect for me.
2019-04-01	Ma*****	Everyone else’s written reviews have captured why this calculator is the best. For the Developer: Please Please add the ability to change the ordering of the list of fundamental constants. I only need those that are relevant to physical chemistry to appear at the top.
Everyone else’s written reviews have captured why this calculator is the best. For the Developer: Please Please add the ability to change the ordering of the list of fundamental constants. I only need those that are relevant to physical chemistry to appear at the top.
2018-11-26	En*****	As a business owner and engineer, this calculator is my most used utility app. Currency conversion when traveling and a quick swipe to hexadecimal for programming. Perfect! Thanks.
As a business owner and engineer, this calculator is my most used utility app. Currency conversion when traveling and a quick swipe to hexadecimal for programming. Perfect! Thanks.
2018-11-10	JL*****	Have used this calculator for many years. It is easy to use. Its hexadecimal calculating capabilities have been extremely useful as also its unit calculations and scientific calculations. Highly recommended.
Have used this calculator for many years. It is easy to use. Its hexadecimal calculating capabilities have been extremely useful as also its unit calculations and scientific calculations. Highly recommended.
2018-05-09	lm*****	Awesome scientific calculator app in the market. So detailed and accurate. Had for years. Awesome!
Awesome scientific calculator app in the market. So detailed and accurate. Had for years. Awesome!
2016-01-24	X1*****	I was looking for a simple fractional calculator app and came across this one and love it. The interface is very similar to TI or Casio scientific calculators so it's very easy to figure out how to use it. I was lamenting that it didn't have a bin/hex calculator but one day I accidentally swiped right and discovered the other calculators. I'm really impressed with the quality of this app, especially since it's free.
I was looking for a simple fractional calculator app and came across this one and love it. The interface is very similar to TI or Casio scientific calculators so it's very easy to figure out how to use it. I was lamenting that it didn't have a bin/hex calculator but one day I accidentally swiped right and discovered the other calculators. I'm really impressed with the quality of this app, especially since it's free.
2015-09-22	Tu*****	Great app, so easyful. But i love more if you updates icon app again :)
Great app, so easyful. But i love more if you updates icon app again :)

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