Solve problems quickly
And reverse with over 100 questions. Solve problems using a numerical keyboard and submit answers quickly. Choose from three training modes: EASY, HARD, or . Answer within one minute in HARD and modes. Access hints for powers and binary calculations.
Showing 221–240 of 1,000 ranked alternatives.
Horizon Business, Inc.
Test countries and capitals of
Test knowledge of European countries and capitals. Choose test mode, difficulty, and question count in settings. Play until mastery is achieved. Track progress and receive feedback after each round.
DAI WEIJIE
Calculate in multiple number systems
Perform calculations with binary, octal, decimal, and hexadecimal values displayed simultaneously. Enter and view hex codes and RGB values on the same screen. Display up to 19 decimal digits. Toggle conversion reset on or off.
Shu Tang
Practice tests and flashcards for PTCB exams
Prepare for the Technician Certification Board exam with practice tests and flashcards. Study mode provides untimed exams with answers and explanations. Flashcard mode allows self-grading and review.
Test Apps Limited
Your IQ and receive instant results
Take an IQ in a 4-minute session to get a numerical score and detailed analysis of correct and incorrect answers.
Kintarla Pty Ltd
Convert numbers between different bases.
The app converts numbers between decimal, binary, octal, and hexadecimal bases. It restricts input to valid digits for the selected base.
Andrew Hall
Learn slide rule calculations with precision.
The app offers a classic slide rule experience with precision and educational features. Users can learn calculations through an auto-slide-rule mode and select from 19 basic operations, including multiplication, division, powers, and logarithms.
Horizon Business, Inc.
Practice subtraction with three difficulty levels.
The app offers subtraction practice with three difficulty levels: easy, medium, and hard. Users can select the difficulty and the number of problems in the settings screen.
Lucky Fortune Trading(Shenzhen) Co., Ltd
Exams, edit questions, personalize study plans
Prepare for exams with personalized questions aligned to the syllabus. Review detailed explanations for each answer. Track progress and identify areas needing improvement. Access study materials and tests tailored to the exam.
Thoa Nguyen
Solve math problems and track progress
Learners practice addition, subtraction, multiplication, and division through three difficulty levels. Complete problems to progress. Track scores and review answers for each question.
DANIIL VOIDILOV, IE
Calculate, store, and solve equations
Solves math problems with support for multi-story fractions, powers, and roots. Calculates trigonometric functions and complex numbers. Stores expressions and answers. Switches between basic, , and fraction modes.
Kelvin Beecroft
Study tests, access manual, track progress
Study for the CDL written exam with practice tests containing over 580 questions. Access the CDL manual and free road signs. Review sections on air brakes, combination vehicles, hazardous materials, and more. Track progress and prepare for the exam.
KAHA INNOVATION COMPANY LIMITED
Study for with tests and flashcards
Prepare for the exam with full-length tests that replicate the actual format. Review detailed explanations for each question. Access targeted study modes for AFQT and all subtests. Track progress and focus on weak areas.
Kelvin Beecroft
Take practice tests and study materials
Study for the CDL written exam with practice tests containing over 580 questions. Access the CDL manual and free road signs. Review sections on air brakes, combination vehicles, hazardous materials, and more. Track progress and prepare for the exam.
Kevin Horvath
Type to convert into
Convert to by entering it in a box. Highlight and copy the code. Paste the code into another for further use. Support multiple languages and character sets.
Ismel padron
Study medical surgical nursing questions and rationales
Study for medical surgical nursing exams with a question bank of over 2900 questions. Review detailed rationales for each answer. Track progress and revisit challenging topics.
Horizon Business, Inc.
Test knowledge of South American geography.
The app tests user knowledge of South American countries and capitals. Users can select test mode, difficulty, and number of questions in settings to master the game.
Andrey Solovyev
Guess and see your score
Guess names with spelling quizzes, multiple-choice questions, and a time-based challenge. View colorful photos of 106 from around the . Test knowledge with easy or hard difficulty levels and sequential elimination options.
Chandrika Dalwadi
With quizzes
From 1 to 3999 through quizzes and exercises. Convert numbers to and vice versa. Track progress with practice sessions and review modes. Access detailed explanations for each numeral.
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