RJ Calculator has been discontinued. Similar apps include Wolfram Alpha, which has a free version. Other options are SpeedCrunch, fxSolver, Numbat and GeoGebra Scientific Calculator. Calculators like RJ Calculator are a crowded field, with more than 50 alternatives for Android, Windows, the web, Linux and Mac.
Sicyon is an all-in-one scientific calculator for every student or professor, researcher or developer - everybody doing physics or chemistry / science or engineering using formulas and tables of constants.
A calculator for Android.
Algebraic entry. Full on-screen history (multi-line display). Use your phone's keyboard or on-screen buttons. Usual functions: trig, log, etc. Parentheses. Copy to clipboard.
United Kingdom
Console Calculator is a powerful calculator with a simple console interface. This calculator supports many built-in mathematical functions, remembers recent entries, supports creation of user defined variables and custom functions.
United States
ESBCalc is a Freeware Scientific Calculator for Windows with Infix Notation, Brackets, Scientific Functions (Trigonometric, Hyperbolic, Logarithmic - including Base 10, Base 2 & Natural - plus more), Memory, Paper Trail, Result History List and more.
Think calculator for Finance, Math, Geometry, Converter, Physic & Chemistry, Webtoolsm Date and time and more
CrossCalc is day to day Scientific Calculator that can be used on all your devices. It respects your privacy and does not show any ads.
India
Solve definite and indefinite integrals with ease using our free online calculator. Calculate double and triple integrals and get step by step explanation for each solution.
Solve Derivatives using our free online calculator. Calculate double and triple integrals and get step by step explanation for each solution.
Frink is a practical calculating tool and programming language designed to make physical calculations simple, to help ensure that answers come out right, and to make a tool that's really useful in the real world.
XCALC is my little RPN calculator completely free to use, and still downloadable. XCALC is now a DEAD project. No work has been done on this project since 2012, and nothing more will be done either.
Multi Sum Calculator is a portable tool that calculates the sum of multiple values!
Power calculator for Android. Has Calculus, Algebra, 2D/3D Graphing and other features.
