The world's favorite calculator, named one of USA TODAY's "25 Essential Apps"
Vote: 4.5/5 (79 votes) Platform: Android
An accurate percent and discount calculator
Vote: 4.5/5 (85 votes) Platform: Android
Use basic and scientific calculator functions to do all sorts of math and calculations
Vote: 0.0/10 (0 votes) Platform: Windows
A programmable calculator able to draw 3D charts, build apps and recognize math!
Vote: 4.5/5 (95 votes) Platform: Android
The easiest way to solve everyday fraction problems
Vote: 4.5/5 (106 votes) Platform: Android
Application to tweak and improve sound quality
… Anyone with a Windows PC, with any OS, has a built-in calculator, just in case you didn't know …
PRO: Several modification options include a choice of skins and window sizes.
CON: Modern operating systems may not be able to recognise this software.
Vote: 6.4/10 (122 votes) Platform: Windows
Online calculator with regular scientific calculator functions
Vote: 6.8/10 (115 votes) Platform: Windows
WW, an all in one weight loss points tracker, calculator, plus weigh-in history!
Vote: 4.0/5 (103 votes) Platform: Android
Provides antivirus plus a speed and performance boost
Vote: 4.5/5 (93 votes) Platform: Android
Vote: 4.0/5 (70 votes) Platform: Android