Showing 41–60 of 1,000 ranked alternatives.
Electronial
Calculate coordinates and grid squares for projects
Offers calculators for designing radios and antennas. Users can find latitude and longitude from a maidenhead square or vice versa. Calculate distances between squares. Convert units. Locate current position.
MarcoPolo Learning, Inc.
Create patterns and learn about types
Explore phenomena by adjusting temperature, wind speed, precipitation, and cloud coverage. Create rainbows, thunderstorms, and blizzards. Learn about 9 major types through interactive experimentation.
Dental-edutec Inc.
Practice mirror work with guided missions
Practice mirror work skills through virtual simulations and structured missions. Complete tasks to build proficiency. Access advanced features with a premium subscription. Track progress and refine techniques in a clinical environment.
Jiovany Orozco
Practice chemical reactions in a virtual lab
Simulate a chemistry lab environment with interactive flasks and test tubes. Users can mix solutions, observe reactions, and measure . Calculate the and determine required acid and ammonia amounts for dissolution.
Hassan Taleb
Write and run code anytime
Write and run code with daily credits, import files, open Playground files, and share code or text. Generate code snapshots in PNG, JPEG, HEIC, or PDF formats.
iLanga, Inc.
Visualize celestial views through eyepieces
Helps users visualize celestial objects through telescopes or cameras. It calculates magnification, actual field of view, and exit pupil. Users can simulate views with different eyepieces and optical aids.
Prepia Inc
Prepare for exams with practice questions
Study for NBSTSA CST, , and NBRC CRT, RRT exams with over 2100 practice questions. Set personalized study goals and track progress. Access detailed explanations aligned with content. Review comprehensive material covering all topics.
Baglan Dosmagambetov
Learn photography with interactive lessons.
The app provides photography basics for beginners and tools for professionals. It offers interactive lessons on exposure, aperture, shutter speed, ISO, depth of field, and white balance.
Sorboni Mumin
Prepare for tests with practice questions
Offers practice exams simulating the official format. Users can review vocabulary, grammar, and listening exercises. Track progress with detailed score reports and identify weak areas for focused study.
MastrAPI Ltd
Reading, math, and grammar questions
SAT exams with Reading Comprehension, Math Problem Solving, Identifying Sentence Errors, and Sentence Correction sections. Answer 600+ questions aligned with the 2026 SAT format. Track performance stats to identify strengths and weaknesses.
Mind Spark Solution
Convert handwriting to digital
Convert handwritten notes into digital using OCR technology. Capture images of written with a stylus or finger. Edit and export converted . Share results via email or messaging apps.
弓 张
Explore fractals, learn math, create art
Explore mathematics through interactive lessons on Julia sets. Create and customize images in a freeform mode. Adjust parameters to generate and view real-time patterns.
Patrick Min
Create and modify cubic Bézier curves.
The app allows users to create and modify cubic Bézier curves with up to four connected segments. It displays the convex hull and a C1 continuity hint for segment connections.
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