Xmart Calculator Pro - Reviews, Revenue and Downloads - Apple App Store

Description

Let's look at some simple questions:

Question 1:
James can make $200 per day, what would be his annual income ( He works 5 days a week, 48 weeks per year) ?

This is easy, just enter an expression as this in Xmart Calculator: 200 x 5 x 48

Question 2:
How many times of tapping a button to calculate his annual income?

8 times on a normal calculator, 7 times on Xmart Calculator (you don't need to tap the '=' button).

Question 3:
What if his day rate is $320, $400, $500...?

Well, very similar:
320 x 5 x 48;
400 x 5 x 48;
500 x 5 x 48...

What's the problem? With a normal calculator, we have to enter the same buttons 'x 5 x 48' very time when the only value changes is just the day rate.

Is there any way to just enter the day rate and the result will update automatically?

With Xmart Calculator, YES! You can define a Algebra function like this:

"IncomeByDay(X) = X x 5 x 48"

Then you can just select the function and enter the value for 'X' and the result will update straight away!

To get James annual income, you just need to tap buttons 4 times.

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End of questions
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Xmart Calculator is appreciated as an intelligent, programmable and expandable calculator based on text expression.

In addition to most of the common and scientific functions, users can also define personal functions.

All calculations are step-by-step traceable.

**Quick start:

* There is no '=' button in this calculator app, it will calculate and show result as soon as the expression is updated.
* Swipe up/down to hide/show the history records.
* Swipe left and right to hide/show the scientific/math functions.

**Main feature:

* Custom functions: user can define any algebra functions with up to 9 parameters.
* Use a custom function in the main expression or play with it separately.
* Calculate and show result instantly when the input is updated.
* Most common scientific & math functions are included.
* Save calculation to history
* Review & Recall history results or expressions
* Name/label a history item meaningfully
* Record and show step by step details of the calculation
* Share history with friends
* Fast mortgage calculator is included

**Additional features

* Support Apple Watch & iMessage
* Auto save: turn ON/OFF or set a custom timer for saving results automatically
* Colours, layouts and fonts are configurable, you can design your own calculator.
* Turn ON/OFF button sounds.
* Select button sound from 6 different options

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Screenshots

User Rating

4.45 out of 5

150 ratings in United States

5 star

111

4 star

3 star

2 star

1 star

Ratings History

Reviews

Calculator With It All!

Has it all, plus saves history so if you forget, question or need to refer to previous calculations you don’t have to redo them.

What happened to SAVE button

I absolutely loved this app, but for some reason, I can no longer save to my history. The SAVE button just disappeared. Help.

Never paid for a calculator app before this

Like the title says, my phone has a stock app calculator so why buy one? Never felt the need until now. This calculator app is brilliant, allowing you to save custom functions and calculations. It saves so much time if you’re always calculating the same things. Also love that it saves your history so if you need to remember what a calculation was, you don’t have to recalculate the whole thing. Amazing!

Excelente

Justo la calculadora que estaba buscando

This is my go-to calculator

Calc it

Nice calc

Landscape mode only?

Big buttons but in Landscape mode only?

Works well

***.UPDATE*** 2020-02-10 Five stars to this dev. I had a problem and there was a bug that was probably hard to find but after I emailed them the details, they were very diligent on fixing it and other things. For devs to respond like this and put out such a quality product, I gotta raise it up to 5 stars. I like how I can create a formula, save it and use it. History is easy to get to. Nice CALC. 2020-02-02 Opposite Day - 2020 0202 I tried the app and I do like it. I would like an easy way to edit the function I created. There is a bug, but the dev contacted me and helped me find a work around while he searches for the bug. When I try to touch where I want to edit, it actually jumps to the beginning of a segment so the work around is to use the < and > at the bottom to move the cursor where you want it. I might come back and give this 5 stars because it is a nice app and the dev responded to me quickly. Thank you!!!

More than a Calculator

Great app and easy to use. Way more than a standard calculator. Easy mortgage calculator and even your own functions! Very easy to use!

Okay for arithmetic

Fine through maybe a junior high school level, but not really an advanced scientific calculator. And for my money, any real calculator needs RPN. Nice colors, though.

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