Best Cos(x)= (-1)/2 Apps

187+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated May 2026

With an average user rating of 4.4★, the cos(x)= (-1)/2 category is one of the App Store's strongest. Browse all 187+ apps we track, sorted so the most loved ones surface first.

Top Picks for Cos(x)= (-1)/2

Graphing Calculator X84#1

Graphing Calculator X84 by Incpt.Mobis

Designed for use with Ti-84
Editor's Choice
📚 Education
4.5😐(50K ratings)
FreeAdsIn-App Purchases
Graphing Calculator X84 screenshot 1
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Graphing Calculator X84 screenshot 3
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Graphing Calculator X84 screenshot 5
Graphing Calculator X84 screenshot 6

This app offers a free, powerful alternative to hardware graphing calculators. It supports basic to complex math, including graphing, statistics, and matrix operations, with a built-in user manual for assistance.

What We Love

  • 🚀 Exact replica of TI-84 calculator
  • 🤩 Great for school/college math
  • 👍 Convenient to have on phone
  • 💰 Cheaper than physical calculator

Room to Improve

  • 📺 Intrusive and frequent ads
  • 🔓 Key features locked behind paywall
  • 🛑 Restricted functionality compared to physical TI-84
Calculator⁼#2

Calculator⁼ by Impala Studios B.V.

Fraction, Scientific Calc +
Strong Contender
🔧 Utilities
4.6😞(357K ratings)
FreeAdsIn-App Purchases
Calculator⁼ screenshot 1
Calculator⁼ screenshot 2
Calculator⁼ screenshot 3
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Calculator⁼ screenshot 5

This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.

What We Love

  • 👍 Easy to use
  • 📊 Helpful history feature
  • 💻 Versatile (basic and scientific)
  • 🔍 Clear display and large buttons

Room to Improve

  • 🤖 Intrusive and excessive ads
  • 💰 Subscription model for ad-free version
  • 🔄 Ads interrupting calculations
Math Animations (Grades 1-8)#3

Math Animations (Grades 1-8) by 希成 董

"To see" how math works!
Worth Considering
📚 Education
3.9😐(20 ratings)
Free
Math Animations (Grades 1-8) screenshot 1
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Visually demonstrates fundamental mathematical concepts through short, engaging animations. Ideal for educators and students seeking a clearer understanding of core principles from primary to lower secondary levels.

What We Love

  • 📚 Clear visual animations for math concepts
  • 👍 Easy to understand explanations
  • 🎨 Well-designed graphics and presentation
  • 👨‍👧‍👦 Suitable for elementary school students

Room to Improve

  • 🚫 Doesn't require students to solve problems themselves
  • 💰 Paywall for advanced content
  • 🤔 Confusing user interface and controls

More Cos(x)= (-1)/2 apps to explore

4
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Statistics, Matrix + Graph
Free

This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.

Scientific and advanced math functionsHigh-resolution graphing and plottingMatrix operations and storage
📚 Education
(7.5K)
free with in-app purchases
5
Algebra Math Solver
Algebra Math Solver
Algebra Math Solver
Homework Camera Calculator
Free

Solve complex math problems by taking a photo or entering them manually. Get accurate solutions with detailed, step-by-step explanations to help you learn. Save your results for future reference and improve your grades.

Photo math problem solverManual equation entryStep-by-step solutions
📚 Education
(7K)
free with in-app purchases
6
EduCalc Classic
EduCalc Classic
EduCalc Classic
by William Jockusch
Free

This app functions as a powerful graphing calculator with extensive scientific functions, unit conversion, and a built-in math and science reference. It supports graphing multiple equations, polar coordinates, and implicit functions, making it ideal for complex calculations and homework.

Scientific calculator with advanced functionsGraphing up to four equations simultaneouslyUnit converter for various physical quantities
📚 Education
(299)
free with in-app purchases
7
Calculator Plus v2
Calculator Plus v2
Calculator Plus v2
Simple. Scientific. Smart.
Free

This app offers a powerful yet simple calculator experience, combining standard and scientific functions with live previews and error hints. It supports various input methods, including hardware keyboards and Apple Pencil, and provides multiple display formats for clear understanding of calculations.

Standard and scientific calculatorLive expression and answer previewMultiple display formats
🔧 Utilities
(131)
free
8
Calculator Air: AI Math Solver
Calculator Air: AI Math Solver
Calculator Air: AI Math Solver
Basic, Scientific & Photo Math
Free

Solve math problems instantly with a powerful AI-driven calculator. Features include basic and scientific calculations, a photo math solver, and an AI homework helper for step-by-step explanations. Ideal for students and professionals needing quick, accurate math solutions.

Basic and scientific calculatorPhoto math solverAI homework helper
🔧 Utilities
(81K)
subscription
9
Maple Calculator: Math Solver
Maple Calculator: Math Solver
Maple Calculator: Math Solver
Get math homework help
Free

This app provides comprehensive math homework assistance, offering step-by-step solutions for a wide range of high school and university level problems. It functions as a graphing, scientific, algebra, calculus, and integration calculator, with the ability to visualize equations in 2-D and 3-D.

Step-by-step math solutionsCamera and handwriting input2D and 3D graphing
📚 Education
(1.5K)
free with in-app purchases
10
Calculate84
Calculate84
Calculate84
Intended for use with TI-84
Free

This app offers a modern graphing calculator experience on your iPhone. It features fast, interactive touch-screen graphing, scrollable windows, and intelligent error messages for a more intuitive user experience. Designed to be a usable alternative to physical graphing calculators.

Fast, interactive touch-screen graphingScrollable windowsIntelligent error messages
📚 Education
(52K)
free with in-app purchases
11
Fraction Calculator
Fraction Calculator
Fraction Calculator
Decimal Plus Units Converter
Free

This tool converts between decimals and fractions, and also handles unit conversions for construction and metric measurements. It offers an intuitive interface for calculations and editing, with advanced features available through upgrades.

Decimal to fraction conversionFraction to decimal conversionUnit conversion (feet, inches, metric)
📊 Productivity
(90)
free with in-app purchases
12
Math AI Homework Helper,Solver
Math AI Homework Helper,Solver
Math AI Homework Helper,Solver
Algebra calculator free of ads
Free

This app provides instant, step-by-step solutions for a wide range of math problems, from basic arithmetic to calculus. Users can scan math problems with their camera and receive detailed explanations, multiple solving methods, and graphing tools. It's designed to help students understand and solve challenging math questions quickly.

Scan math problems with cameraStep-by-step explanationsGraphing calculator
📚 Education
(30K)
free with in-app purchases
13
StudyPug — Expert Math Tutors
StudyPug — Expert Math Tutors
StudyPug — Expert Math Tutors
Simple Math in Plain English
Free

This app offers over 5,000 video lessons created by certified teachers to help K-12 and college students master math and English. It includes features like photo problem search, practice exercises with feedback, and progress tracking, along with test prep for various standardized exams.

5,000+ video lessons by certified teachersPhoto search for math problemsStep-by-step explanations
📚 Education
(2.1K)
subscription
14
MathMaster: Math Solver & Help
MathMaster: Math Solver & Help
MathMaster: Math Solver & Help
Homework Helper & AI Tutor
Free

Solve math problems instantly by taking a photo or entering an equation. Get step-by-step solutions to understand the process and improve your math skills. Covers a wide range of topics from basic arithmetic to calculus.

Camera-based problem solvingStep-by-step solutionsHandwritten and printed math recognition
📚 Education
(12K)
free with in-app purchases
15
Algebrator: Step Math Solver
Algebrator: Step Math Solver
Algebrator: Step Math Solver
Solutions for Algebra Problems
Free

Solve algebra problems by taking a photo or manually entering them. Get detailed, step-by-step solutions with explanations to understand how each problem is solved. Supports a wide range of math topics and graphing.

Photo math problem solverStep-by-step solutionsDetailed explanations
📚 Education
(48)
free with in-app purchases
16
MyScript Calculator
MyScript Calculator
MyScript Calculator
Handwriting calculator
$2.99

This app transforms your device into an interactive notepad for calculations. Simply write your math problems by hand, and it instantly provides results. Edit calculations with gestures, reuse past results, and export your work.

Write calculations naturallyEdit with gesturesDrag and drop results
📊 Productivity
(1.4K)
free
17
SnapMath - Photo Word Math
SnapMath - Photo Word Math
SnapMath - Photo Word Math
scan photo & solve math
Free

Instantly solve math problems by scanning them with your phone. Get detailed, step-by-step solutions in PDF format, complete with graphical representations. Ideal for homework help, from basic algebra to college-level calculus.

Scan math problems with cameraStep-by-step solutionsPDF export and sharing
📚 Education
(1.6K)
free with in-app purchases
18
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
19
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

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.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
free with in-app purchases
20
Math and Science Tutor
Math and Science Tutor
Math and Science Tutor
Learn Math Fast
Free

Access over 1500 video lessons and 500 hours of step-by-step instruction across math, science, and engineering subjects. Learn at your own pace with features like favoriting, search, and downloadable worksheets. Achieve academic success with expert-led tutorials.

1500+ video lessons500+ hours of instructionSearchable lesson library
📚 Education
(906)
subscription