TechCalc+ Calculator is a tools app developed
by Roaming Squirrel Software.
The APK has been available since December 2010.
In the last 30 days, the app was downloaded
about 100 times.
It's currently not in the top ranks.
It's rated 4.78 out of 5 stars, based on 1.6 thousand ratings.
The last update of the app was on February 23, 2025.
TechCalc+ Calculator has a content rating
"Everyone".
TechCalc+ Calculator has an APK download size of 11.80 MB and the latest version
available
is 5.1.9.
Designed for Android version 4.1+.
TechCalc+ Calculator costs $2.99 to download.
Description
TechCalc+ is the "Swiss Army Knife" of Scientific Calculators ... 44 Calculation Options + a Scientific Reference Section + the Periodic Table of the Elements!
6F, No9, Lane 31, Rui'An Street, Da'an District, Taipei City, Taiwan 10665
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★★★★★
"One calculator to rule them all, and in the darkness, bind them." Seriously. Get this. It's totally worth the few pennies that the dev is asking for. Support good software. Very responsive Dev. I asked for Boolean Calc. Dev made it happen. I asked for functions in formulas. Dev made it happen. ==== Christmas wish list: a more "natural" way of entering calculations (as they would be written), arbitrarily large numbers for superfine precision.
★★★★★
This is an amazing app for unit conversions and scientific functions. There are a ton of other calculations on it that I have not had the time to explore yet.
★★★★★
Worth the modest fee. If you are a computer engineer be aware that data storage calculations use the IEC "standard" so 1 kilobyte is converted to 1000 bytes and not 1024 which makes no sense since it not a power of 2/binary number). This will throw off your calculations if you use the actual 1kb=1024 bytes conversion (the practicing standard). I've been a computer engineer for 40 years and have never seen anyone in IT convert 1 kb to 1000. I wish I had the option to not use the IEC values.
★★☆☆☆
PEMDAS!!! This thing ignores operator precedence completely. Has lots of nifty features, but ignoring the precedence order is UNFORGIVABLE. WHAT IS the derivative of 2x^2 divided by itself??? It is ZERO, but this thing forces you to fill your equation with () or you get a ridiculous result. Should get refund. Wasted money.
Google Play Rankings
This app is not ranked
Technologies
TechCalc+ Calculator is requesting 8 permissions and is using 10 libraries.
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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.