Ralcalc 1.3.2

Command-line calculator

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What's new in Ralcalc 1.3.2:

  • This release includes a minor bug fiix and some updated translations. Ralcalc now has complete program and man page translations for Spanish and partial Portuguese translations (note that the Brazilian Portuguese may still be a better option).
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GPL v3 
1.3/5 3
Roger Light
ROOT \ Science and Engineering \ Mathematics
1 Ralcalc Screenshot:
Ralcalc - Usage message
Ralcalc is a simple command-line calculator software designed to take a single line input and produce a result.

For example:

= 2*9
2*9 = 18

Both the input and output make use of SI prefixes (see http://en.wikipedia.org/wiki/SI_prefix) for easier input and reading of results. Only the common engineering prefixes that are powers a multiple of three are used, so G, M, k, m, u, n, etc.

Numbers of the style 1e-3 are also supported for input.

Version information can be shown with:

= -h
ralcalc -h

Operators, Functions and Constants

 * + Addition
 * - Subtraction
 * * x Multiplication (the 'x' is for use when shell expansion may be a problem)
 * / Division
 * ^ Power
 * [] Brackets - increase the precedence of anything within the brackets.
 * _ The result of the last ralcalc run (stored in $HOME/.ralcalc_result)
 * log The base 10 logarithm.
 * ln The natural logarithm.
 * sin, cos, tan, asin, acos, atan
 * sqrt
 * pi (3.14159)
 * exp (2.71828)

= 2^.5
2^.5 = 1.41421

= 1/_
1/_ = 707.107m

Last updated on June 24th, 2009

#command-line calculator #math functions #scientific calculator #mathematical #scientific #calculator #command-line

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