Sponsored Content
Top Forums UNIX for Dummies Questions & Answers mathematics operations in unix Post 10741 by cesar720213 on Tuesday 20th of November 2001 10:59:00 AM
Old 11-20-2001
mathematics operations in unix

Hello guys!

Can say me anybody about operatios with unix, I don't to make operations, only inside in a variable, like this

#y=4
#x=2
#let z=$y-$x
#echo $z
# 2

but I can't to make mathematical operations with decimal like this

#y=3.2
#x=1.5
#let z=$y-$x
#echo $z
# 3

this operations, I get result integers.

Smilie
 

8 More Discussions You Might Find Interesting

1. UNIX Desktop Questions & Answers

where i can find list of UNIX commands for daily operations ?

Hi There, Can anyone help, where i can find list of UNIX commands just for regulat day ro day operations Thanx MGR (1 Reply)
Discussion started by: mgoutham
1 Replies

2. Shell Programming and Scripting

Unix file operations(shell script)

Hi, I want to compare two files. Files will look like as follows: file1: ASDFGHJU|1234567890123456 QWERTYUI|3456789098900890 file2: ZXCVBVNM|0987654321234567 POLKIJUYH|1234789060985478 output file should be: ASDFGHJU|1234567890123456 QWERTYUI|3456789098900890 Thnaks in advance (6 Replies)
Discussion started by: nivas
6 Replies

3. Shell Programming and Scripting

Unix File operations

Hi, Iam having the two files as follows: file1: ASQWEDFR09876543121234512 POIUYTREW09876512345676788 ZXCVBNMKS1209888888888888 file2: ASQWEDFR09876543121234516 asdcvfgbtg@abc.com 0000000-90-1239--2008 8990---- CXADFGTU09876543121234789 asdcvfgbtg@abc.com ... (14 Replies)
Discussion started by: nivas
14 Replies

4. Shell Programming and Scripting

Date operations in Unix?

Hi Friends, I need help in below requirements, 1. I have to get current datetime + <mins> into a variable 2. I have to compage dates like, A=01-JAN-2009 10:20:10 B=01-JAN-2009 10:30:00 C=<same format date as above> I have to find whether, 1. C is less than A OR, 2. C is greater... (7 Replies)
Discussion started by: smr_rashmy
7 Replies

5. IP Networking

What is the best Unix-like for firewalling operations

Hello from France, I'd like to have your opinion on this : What unix-like would you choose for high bandwidth netwoking operations like a cluster of statefull firewalls ? NetBSD, Linux, others ? Thank you. Best regards. Vincent. (0 Replies)
Discussion started by: vrzs
0 Replies

6. Shell Programming and Scripting

Which is the best way/command to do mathematics in UNIX scripting?

Hello all! I used to use expr for doing simple mathematics, but has a main advantage and a main disadvantage: The advantage is that it can take variables for numbers (e.g.{1}: echo "Give me first" read lol echo "Give other" read lil sum=`expr $lol + $lil` echo "The sum of $lol and $lil =... (5 Replies)
Discussion started by: hakermania
5 Replies

7. Shell Programming and Scripting

To skip operations in UNIX shell

hi i am having a acript for which i need to skip the execution of some lines and to continue with remaining lines for eg script.sh rm text for i in * do . . . . . if then rm i want to skip the execution of the lines and to start with (11 Replies)
Discussion started by: rohit_shinez
11 Replies

8. What is on Your Mind?

Forum Trivial Pursuit - New Computer Science and Mathematics Trivia for UNIX.com

I have added a new experimental "Computer Science and Mathematics Trivia - True or False" section in the discussions, currently under the tags box. In the future, I plan to Expand this feature to add more trivia categories from math, science and technology. Keep track of correct and... (20 Replies)
Discussion started by: Neo
20 Replies
hppac(3X)																 hppac(3X)

NAME
hppac: HPPACADDD(), HPPACCMPD(), HPPACCVAD(), HPPACCVBD(), HPPACCVDA(), HPPACCVDB(), HPPACDIVD(), HPPACLONGDIVD(), HPPACMPYD(), HPPAC- NSLD(), HPPACSLD(), HPPACSRD(), HPPACSUBD() - HP 3000-mode packed-decimal library SYNOPSIS
DESCRIPTION
This set of calls invokes the library functions for emulating 3000-mode (MPE V/E) packed-decimal operations. These functions are in library which is searched when the option is used with or ld(1). Performs packed-decimal addition. Compares two packed-decimal numbers. Converts an ASCII representation to packed-decimal. Converts a binary representation to packed-decimal. Converts a packed-decimal number to ASCII. Converts a packed-decimal number to binary. Performs packed-decimal division. Performs packed-decimal division (alternate routine). Performs packed-decimal multiplication. Performs a packed-decimal normalizing left shift. Performs a packed-decimal left shift. Performs a packed-decimal right shift. Performs packed-decimal subtraction. For all operations, the value returned in the variable to which the compcode argument points is one of the following values of type Result > 0 or operand1 > operand2 Result < 0 or operand1 < operand2 Result == 0 or operand1 == operand2 For all operations, the value returned in the variable to which the pacstatus argument points is one of the following values of type Their meanings are intended to be obvious: AUTHOR The HPPAC library was developed by HP. SEE ALSO
PA-RISC Systems Only hppac(3X)
All times are GMT -4. The time now is 12:36 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy