OpenCalc - Calculator is a tools app developed
by Darkempire.
The APK has been available since November 2022.
In the last 30 days, the app was downloaded
about 8.2 thousand times.
It's currently not in the top ranks.
It's rated 4.31 out of 5 stars, based on 580 ratings.
The last update of the app was on January 22, 2025.
OpenCalc - Calculator has a content rating
"Everyone".
OpenCalc - Calculator has an APK download size of 1.96 MB and the latest version
available
is 3.1.4.
Designed for Android version 5.0+.
OpenCalc - Calculator is FREE to download.
Description
This modern and beautiful scientific calculator will help you solve all your calculations. It is simple, effective and contains no advertising. It has different themes to suit your phone perfectly.
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★★★★★
A nice simple calculator that meets my needs (scientific functions and parentheses). The only thing I don't like is extra large font that requires me to scroll to see the whole answer.
★★★★★
Better than Google calc; doesn't display fractions.
★★★★★
A feature request: 1. Decrease space occupied by buttons, give more space for results. 2. Option to decrease font size. 3. Adjust font size automatically so that expression and result fits the screen without horizontal scrolling. 4. Show not just the latest result but also previous results, as much as fits into the result space depending on font size (i.e. always show a little history without even dragging history bar) 5. Show not just the result but also the expression.
★★★★★
The best! I appreciate the AMOLED dark version, and the clean UI. Thank you guys (much much) keep it up!
★★★★★
Great app EXCEPT it blocks the input of a decimal point before an operator symbol. (edit: only when there is another decimal later in the equation. Try changing 52x0.5 into 52.5x0.5. The program will not accept adding a decimal between 2 and x.) Please change this behavior!!! What we type should be what we get. Just display syntax error if it doesn't make sense. (further edit: also doesn't accept lone operators? Stupid. It shouldn't block any inputs. At least make that a setting plz)
★★★★★
The best calculator. Great icon, no permissions, nice amount of settings, small package size. Easy choice to replace the Google version.
★★☆☆☆
Wonderful app, deserves more than 5 ⭐, but wait there is no history, why?
★★☆☆☆
Doesn't appear to be able to save numbers into memory.
★★☆☆☆
Same as built in calc. Cannot see multiple history calculations without covering keypad.
★★☆☆☆
The calculator can give results in scientific notation, but I don't see any simple way (big E button) to enter values in scientific notation.
Google Play Rankings
This app is not ranked
Technologies
OpenCalc - Calculator is requesting 4 permissions and is using 22 libraries.
Show details
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
