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Best Calculators in 2026

• 21 apps
• Research read 7 Oct 2026
• How the order is worked out

1. 1 G

   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 M

   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 C

   Calc Pro

   Free plan AndroidiPhoneWeb+1
   6.5 Free plan Visit site
5. 5 A

   Apple Calculator

   Free plan iPhoneMac
   6.3 Free plan Visit site
6. 6 G

   GraphCalc

   Free plan LinuxWebWindows
   6.2 Free plan Visit site
7. 7 D

   Desmos Four Function Calculator

   Free plan Web
   6.0 Free plan Visit site
8. 8 D

   Desmos Scientific Calculator

   Free plan Web
   6.0 Free plan Visit site
9. 9 N

   NumWorks Graphing Calculator

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

    GNOME Calculator

    Free plan Linux
    5.8 Free plan Visit site
11. 11 K

    KAlgebra

    Free plan Linux
    5.8 Free plan Visit site
12. 12 O

    Omni Calculator

    Free plan AndroidWeb
    5.8 Free plan Visit site
13. 13 Q

    Qalculate!

    Free plan LinuxMacWindows
    5.8 Free plan Visit site
14. 14 R

    RealCalc Scientific Calculator

    Free plan Android
    5.7 Free plan Visit site
15. 15 M

    Microsoft Calculator

    Free plan Windows
    5.6 Free plan Visit site
16. 16 W

    Windows Search

    Free plan Windows
    5.4 Free plan Visit site
17. 17 C

    CASIO Calculator Software

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

    BA II Plus™ Financial Calculator App

    Paid iPhone
    4.8 Visit site
19. 19 E

    Engineering Equation Solver (EES)

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

    Numi

    Paid LinuxMacWindows
    4.3 Visit site
21. 21 S

    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

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