Showing 121–140 of 1,000 ranked alternatives.
Wai Chin Ng
Learn , pronounce, and write letters
Teach children to write and pronounce Mandarin letters with guided writing and audio demonstrations. Include interactive games for each character to reinforce learning. Allow users to practice pronunciation and repeat letters for memorization.
Carolina Biological Supply
Formulas and track progress
Naming and writing formulas for ionic and molecular compounds, acids, bases, polyatomic ions, hydrocarbons, and organic functional groups. Choose between -to-name or name-to- exercises. Track progress and repeat exercises for reinforcement.
Aaron F Stephenson
Read with color-coded circles
Displays using color-changing circles that shift between blue shades. Users can customize circle colors. The includes a tutorial to learn how to read . It functions as a watch face.
Marut Srimarueang
imtiaz ahmed
Learn with color-coded tajweed lessons
Explore Quranic verses with color-coded Tajweed rules. Navigate using arrows and cursors. Look up definitions of Tajweed rules. Access a 13-line formatted . Share verses and bookmark sections. Track reading progress.
Ajay Gandecha
Browse periodic table elements and search
Browse the periodic table in light and dark modes. Search elements by name or view them in list format.
VIKSVA, MB
Solve problems instantly
Balance chemical equations instantly. Solve stoichiometry problems with step-by-step explanations. Generate personalized quizzes. Provide definitions and periodic table information. Offer practice problems with instant feedback.
Monte L Helm
Calculate pH, pOH, [H⁺], and [OH⁻]
Calculate pH, pOH, [H⁺], or [OH⁻] from any one value. Input concentration or ion activity to solve for missing variables. Automatically handles strong and weak acids/bases using provided Ka or Kb values.
Sharyn Efimoff
Practice sums to 10
Practice skills by matching numbers that add up to 10. Select correct pairs from a grid. Track progress over time. Receive instant feedback on answers. Adjust difficulty level as skills improve.
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