apcalc software package provides Arbitrary precision calculator (original name: calc), you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install apcalc
apcalc is installed in your system.
Make ensure the apcalc package were installed using the commands given below,
$ sudo dpkg-query -l | grep apcalc *
You will get with apcalc package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Mathematics |
| Package | apcalc |
| Version | 2.12.4.4-2 |
| Description | Arbitrary precision calculator (original name: calc) |
| Sub Section | Math |