Scientific Calculator

About

A powerful, programmable calculator for Google Chrome.

Recommended for Chromebook/Chrome OS only. A desktop version for Windows and Linux is available at https://www.scicalc.io.

*** Features:

- Works offline.
- Supports variables, constants, and custom functions.
- Save scripts online so you can access them anywhere or in a local library.
- Complex numbers, arbitrary precision integers, and exact fractions.
- Algebraic pretty-printed display.
- Full functional programming language.
- Supports matrix and vector operations.
- Calculation history lets you refer to previous results.

*** Changes in 1.2.0:

See https://www.scicalc.io/updates/2017/08/28/version-1-2-0-release-notes/ for full details.

- Syntax highlighting and overall improved editing experience
- Export your answer history as plain text, HTML (with pretty
  printing), or a script
- "mixed fractions" output option (i.e. "1 2/3" instead of "5/3")
- Multiple assignment
- <=> comparison operator
- New statistics and other misc. functions

*** Changes in 1.1.1:

- Fix several pretty-printing bugs

*** Changes in 1.1.0:

- New interface
- Desktop version available for Windows and Linux users (download at scicalc.io)

*** Changes in 1.0.5:

- Fixed pretty printing.

*** Changes in 1.0.3:

- Temporarily disabled pretty-printing until I can fix it for the newest Chrome version.

*** Changes in 1.0.2:

- Parser bug fix (two single-character operators with no space between them were sometimes interpreted as one invalid operator)

*** Changes in 1.0.1:

- Added an option to automatically restore your answer history at startup
- Several small bug fixes

*** Changes in 1.0.0:

- List-processing functions, like map, fold, etc. now accept intervals
- system:assert(condition, message) function
- system:registerFunction/registerConstant functions to add user-defined functions/constants to the interface (and corresponding unregister functions).
- Various internal changes to enable future improvements

*** Changes in 0.9.22:

- Variable/function name completion (Use tab or ctrl+space).
- notify() and warning() functions
- tally() function to count distinct items in a list/string/interval
- Minor interface changes

*** Changes in 0.9.20:

- Long calculations won't lock up the interface and can be cancelled by pressing the escape key
- min() and max() can accept a list
- Generate random numbers from various probability distributions, including uniform, normal (Gaussian), exponential, etc.
- chop() function to round almost-zero numbers to zero
- random:shuffle() function

*** Changes in 0.9.19:

- Financial functions: fv (future value), npv (net present value), pmt (payment), and pv (present value)
- Added Matrix LU decomposition and system:version() function
- Fixed several small parsing and display bugs