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Best Calculators in 2026

This selection includes calculators for everyday arithmetic, scientific tasks, graphing, equation solving and financial work. They run on Windows, the web, iOS, Android, macOS or Linux, depending on the tool.

  1. 1

    GeoGebra

    by GeoGebra
    Free plan AndroidAPIiPhone+4

    Choose GeoGebra for a broad set of mathematics tools, classroom resources, and teacher progress features across web, desktop, and mobile.

    7.4 Free plan Visit site
  2. 2

    Mathway

    Free plan AndroidExtensioniPhone+2

    Mathway offers a broad subject range, multiple ways to enter problems, and access across four platforms.

    7.2 Free plan · paid from $9.99/mo · 7-day trial Visit site
  3. 3

    MathPapa

    Free plan AndroidiPhoneWeb

    MathPapa combines an algebra calculator with lessons and optional practice. Its free plan and broad platform coverage make it accessible, while paid plans add practice and remove ads.

    7.1 Free plan · paid from $4.99/mo (annual) Visit site
  4. 4

    Calc Pro

    Free plan AndroidiPhoneMac+2
    6.5 Free plan Visit site
  5. 5

    Apple Calculator

    Free plan iPhoneMac
    6.3 Free plan Visit site
  6. 6

    GraphCalc

    Free plan LinuxWebWindows
    6.2 Free plan Visit site
  7. 7

    Desmos Four Function Calculator

    Free plan Web
    6.0 Free plan Visit site
  8. 8

    Desmos Scientific Calculator

    Free plan Web
    6.0 Free plan Visit site
  9. 9

    NumWorks Graphing Calculator

    Free plan AndroidiPhoneLinux+3
    6.0 Free plan Visit site
  10. 10

    GNOME Calculator

    Free plan Linux
    5.8 Free plan Visit site
  11. 11

    KAlgebra

    Free plan Linux
    5.8 Free plan Visit site
  12. 12

    Omni Calculator

    Free plan AndroidWeb
    5.8 Free plan Visit site
  13. 13

    Qalculate!

    Free plan LinuxMacWindows
    5.8 Free plan Visit site
  14. 14

    RealCalc Scientific Calculator

    Free plan Android
    5.7 Free plan Visit site
  15. 15

    Microsoft Calculator

    Free plan Windows
    5.6 Free plan Visit site
  16. 16

    Windows Search

    Free plan Windows
    5.4 Free plan Visit site
  17. 17

    CASIO Calculator Software

    Free trial AndroidiPhoneMac+1
    4.9 90-day trial Visit site
  18. 18

    BA II Plus™ Financial Calculator App

    Paid iPhone
    4.8 Visit site
  19. 19

    Engineering Equation Solver (EES)

    Free trial Windows
    4.7 From $160 · 30-day trial Visit site
  20. 20

    Numi

    Paid LinuxMacWindows
    4.3 Visit site
  21. 21

    Soulver

    Paid iPhoneMac
    4.3 From $59 · 60-day trial Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Compare free plans, paid pricing, trial periods and the functions you need. Look at supported platforms, offline capability and calculation history. If reading or changing code matters, review the tool's open-source licence.

Questions

Are free calculator plans available?

Yes. Apple Calculator, Calc Pro, Desmos calculators, GNOME Calculator, GraphCalc and KAlgebra offer free plans. MathPapa uses a freemium model with a free plan.

Which calculators offer trials?

CASIO Calculator Software offers a 90-day trial, while Engineering Equation Solver offers 30 days. Other trial terms may differ, so check the product's pricing page.

Can I use these calculators offline?

Offline mode is one of the comparison fields for this list. Review each product's details to see whether it can perform calculations without an internet connection.

Which platforms are covered?

The products span Windows, the web, iOS, Android, macOS and Linux, although each tool supports its own set of platforms.

Are financial calculators included?

Yes. Financial functions are among the comparison criteria, and BA II Plus Financial Calculator App is a finance-focused iOS option.

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