Best Scientific Math Calculator Apps

249+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated September 2026

Out of 249+ scientific math calculator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Scientific Math Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Scientific Calculator fx-991Scientific Calculator fx-991Free4.5★ (404)YesYesSep 2026
2Calculator #Calculator #Free4.6★ (36K)YesYesSep 2026
3Desmos Scientific CalculatorDesmos Scientific CalculatorFree4.3★ (332)NoNoSep 2026
4Scientific math CalculatorScientific math Calculator$0.99NoNoSep 2026
5Desmos Graphing CalculatorDesmos Graphing CalculatorFree4.3★ (1.3K)NoNoSep 2026
6Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoSep 2026
7HiPER Scientific CalculatorHiPER Scientific CalculatorFree4.7★ (256)YesYesSep 2026
8CalC - Scientific CalculatorCalC - Scientific CalculatorFreeNoYesMay 2026

Top Picks for Scientific Math Calculator

Scientific Calculator fx-991#1

Scientific Calculator fx-991 by Dinh Phuc

Step-by-step Math Solver
Editor's Choice
📚 Education
4.5😊(404 ratings)
FreeAdsIn-App Purchases
Scientific Calculator fx-991 screenshot 1
Scientific Calculator fx-991 screenshot 2
Scientific Calculator fx-991 screenshot 3
Scientific Calculator fx-991 screenshot 4
Scientific Calculator fx-991 screenshot 5
Scientific Calculator fx-991 screenshot 6

This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.

What We Love

  • 👍 Very helpful for classes
  • 💰 Free to use
  • 👍 Useful without physical calculator
  • 👍 Good for engineering students
  • 👍 Handles imaginary numbers
  • 👍 Super easy to use
  • 🚀 Fast and easy to use
  • 👍 Very helpful
  • 👍 Exactly like physical calculator
  • 👍 Faster than normal calculator
  • 👍 Accurate and easy to use
  • 👍 Replaced physical calculator
  • 👍 Useful for school
  • 👍 Good for revision
  • 👍 Similar to Casio
  • 👍 Convenient interface
  • 👍 Aesthetic and good for math
  • 👍 User interface is great
  • 👍 Genuine with many functions
  • 👍 Helpful for exams
  • 👍 Precise calculations
  • 👍 Complete and easy

Room to Improve

  • 🐛 Latest update inconvenient
  • 🐛 Update overrides calculations
  • 🐛 Mistake in challenge section
  • 🐛 Removed important buttons
  • 🐛 Cannot find pi button
  • 🐛 Simplified interface
  • 🐛 Duplicate log key
  • 🐛 Cannot change keyboard layout
  • 🐛 No 3-dot menu
  • 🐛 Can't upgrade to paid version
  • 🐛 App crashes on loading screen
  • 🐛 App closes on opening
  • 🐛 New layout missing CW
  • 🐛 'i' key not working after update
Calculator ##2

Calculator # by Incpt.Mobis

Scientific Calculator
Strong Contender
🔧 Utilities
4.6😐(36K ratings)
FreeAdsIn-App Purchases
Calculator # screenshot 1
Calculator # screenshot 2
Calculator # screenshot 3
Calculator # screenshot 4
Calculator # screenshot 5
Calculator # screenshot 6

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

What We Love

  • 👍 Easy to use
  • 🚀 Powerful functionality
  • 💡 Helpful for math classes
  • ⭐ Great for students
  • 👌 Works like a real calculator

Room to Improve

  • 🔍 Confusing interface after update
  • 📢 Too many intrusive ads
  • 💰 Paywall for advanced features
  • 🐛 Incorrect calculations
  • 🔇 Loud audio ads
Desmos Scientific Calculator#3

Desmos Scientific Calculator by Desmos

Worth Considering
📚 Education
4.3(332 ratings)
Free
Desmos Scientific Calculator screenshot 1
Desmos Scientific Calculator screenshot 2
Desmos Scientific Calculator screenshot 3

This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.

More Scientific Math Calculator apps to explore

FAQ about Scientific Math Calculator

What are the best scientific math calculator apps for iPhone?
Scientific Calculator fx-991 tops our scientific math calculator apps ranking as of September 2026, with a 4.5-star average from 404 App Store ratings, and it's free to download.
Yes — 19 of the top scientific math calculator apps we rank are free to download, including Scientific Calculator fx-991 and Calculator #.
Scientific Calculator fx-991 shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ scientific math calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a powerful scientific calculator designed to help users solve math and science problems. It offers step-by-step solutions for equations, advanced mathematical functions, interactive graphing, an extensive formula library, and a unit converter.
Key features include a step-by-step equation solver, advanced scientific functions for algebra and calculus, a graphing mode to visualize functions, a comprehensive formula library for math, physics, and chemistry, and a unit converter. It also boasts an interface inspired by the Casio fx-991.