About this app

The NoSpy calculator helps with daily computing, whether at school, at work or privately. The most common scientific functions are available. Even sophisticated formulas can be entered. The observance of the mathematical principles (clip before power before point before stroke) makes the noSpy calculator a reliable companion. Of course, this app does not require any permissions and does not spy on them. Also, there is no advertising and all for free.

⚫ A history shows you all entered calculations as well as the result. So you can calmly check your previous calculations.

⚫ You can individually set the calculation accuracy between 1 and 15 digits after the decimal point. As a check, the set calculation accuracy is constantly shown on the display.

⚫ Intermediate results can be stored in a memory. The memory contents are constantly displayed.

⚫ If you turn the screen horizontally, additional math functions appear.

Several languages ​​(German, English, French, Spanish) are supported. All messages and settings are displayed in these languages.

⚫ The app does not use or require any permissions.

⚫ No advertising is displayed.

The aim of the noSpy project is to provide you with an app that does not spy out or store data for further use on the Internet. In order to utilize services of your mobile phone it may be required to grant certain permissions. NoSpy apps only use the permissions required for each function and beyond that no further. So you can be sure that your personal privacy always has the highest priority.

If you hold your phone in a normal vertical position, the display will show the following functions:

functions in vertical operation mode:
MR Memory read
MS Memory write
M+ Memory add
<< backwards 1 sign delete
CE delete hole input
√x squareroot
x² x power 2
π Constant pi
1/x reciprocal
% percentage
0-9 number pad
. decimal point
( ) parentheses
+ to add
- to substract
* to multiply
÷ to divide
+- change of sign
Exp exponent
= calculation of the result
If you turn your phone horizontally, additional math functions appear:
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extended arithmetic operations in horizontal mode:
2nd This function is to be defined
Rad switch between degree und radian
sin sinus(x)
cos cosinus(x)
tan tangens(x)
log logarithm base 10
ln logarithm base e
n! factorial
log2 logarithm base 2
e Constant e
10n power of 10
en power of e
2n power of 2
³√x cube root

No permissions, no ads and all for free. What more do you want. If you have questions or improvements write us an email. If you like the app, we would appreciate a review.

New features

- new target version 34