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.

PCalc is described as 'The powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a' and is a Calculator in the education & reference category. There are more than 100 alternatives to PCalc for a variety of platforms, including Android, Windows, Web-based, iPhone and Mac apps. The best PCalc alternative is Wolfram Alpha, which is free. Other great apps like PCalc are SpeedCrunch, Fossify Calculator, Qalculate! and OpenCalc.
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.

Free scientific calculator which saves you time and frustration by providing unique easy to use tools.




Physics Formulas Calculator comprises a selection of 119 different calculators that will simplify calculations which have given you headaches so far. Complex calculations, such as Force, Static Friction and others.




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.

Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget.




TTCalc is an open source bignum mathematical calculator. It features arithmetical functions, trigonometric functions, inverse trigonometric functions, hyperbolic functions, inverse hyperbolic functions, logical operators, logarithms, functions for converting between degrees and...



Multi Sum Calculator is a portable tool that calculates the sum of multiple values!




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.

CALCU is a simple, yet beautiful and powerful calculator. Customize the keypad as your need, change theme as your taste, CALCU is the calculator made just for you!
FEATURES




Simple yet very effective calculator with print capabilities and log registration.

Online graph sketching app that can graph functions and numerically solve differential equations.

Moffsoft FreeCalc is the ideal replacement for your standard Windows calculator - with adjustable size, visible memory value and digit groupings, this free calculator software is a simple and intuitive tool.



