Full complex number calculations: Addition, subtraction, multiplication, division, power, root.

Trigonometric, logarithm and exponential complex  functions

Easy use. Wide range and high precision calculations.
User's Manual.

88 functionalities
Cartesian-polar input/output. Basic operations (addition, subtraction, multiplication, division, power and root). Trigonometric, logarithm and exponential functions with complex.

Other features:
- Results are copied automatically to the clipboard.
- Always visible option (the application window is always on top).
- Integer part, absolute value and factorials:  int x,  | x |,  x!
- Degrees input
- Last answer function and command: ANS
- Last 32 expressions checking.
- 24 user's variables (memories) (they are saved even when the application is closed)
- 12 output formats

- Width = 632 px,   height = 346 px

Cartesian / polar input and output
We can input complex numbers in cartesian or polar format. Results can also be set in cartesian or polar format.

Fraction / pi fraction / rationalized root output format
We can see results in ordinary fractions, pi number fractions and rationalized root fractions.

28 Scientific constants
A useful selection of constants for science and technology.

16 precision digits
Internal calculations are performed with 16 digits to get exact results.

FIX / SCI output format
FIX: Fixed number of decimal places.
SCI: Fixed number of significant digits in scientific notation.

Very large numbers in scientific notation
This wide range allows us to deal any challenge of calculation.

28 levels of parentheses
We can nest until 28 levels of parentheses in our expression calculations.

free downloads of Free Scientific Calculator CJ47E 2.0
Free Scientific Calculator CJ47E 2.0 full version free download
Free Scientific Calculator CJ47E is clean!
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Main features



Windows XP - Vista - 7 - 8 - 10

New version 2.1.1


CJ47E  -  Free scientific calculator with complex numbers

Operating system


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