Build formulas with cations and anions
Learn and practice creating by selecting cations and anions. The generates correct formulas with proper subscripts and parentheses. Reinforce naming rules and charge balancing through interactive exercises.
Showing 281–300 of 1,000 ranked alternatives.
University of Arizona
Adjust ion concentrations and visualize potentials
Calculate and visualize Nernst and Goldman potentials based on user-defined ion concentrations and permeability. Adjust extracellular and intracellular concentrations of potassium, sodium, and chloride ions.
Andriy Holovchak
Find fingerings and practice
Learn fingerings for 4-valve Bb and 5-valve C . Access alternate positions. Use a built-in tuner for pitch accuracy. Adjust a metronome to maintain rhythm. Practice with Note Nami for interactive exercises.
秀丽 周
Calculate, edit, and track equations
Allows performing arithmetic operations including addition, subtraction, multiplication, division, parentheses, and percentage. It displays numbers in thousands, sets decimal places, and records calculations for easy editing.
William David
Calculate decimal, binary, octal, and hexadecimal values
Perform decimal, binary, octal, and hexadecimal arithmetic. Convert between number systems. Apply binary logic functions. Use parentheses for operator grouping. Input hexadecimal values using A-F keys.
Nikita Chernykh
Explore and terms
Access terms, , and tables organized by category. Each formula includes a description and variable definitions. Prepare for tests or Olympiads by studying theory, terms, and calculations.
V PUGAZHENTHI
Convert temperature between Celsius, Fahrenheit, and Kelvin
Convert temperatures between Celsius, Fahrenheit, and Kelvin with instant results. Display formulas for calculations. Save and share conversion results with detailed formulas. Works offline and supports multiple languages.
Cheab Kunthea
Study concepts and formulas
Browse formulas and lessons with finger gestures. Access basic concepts, periodic table, organic , and grade-specific topics. View generic calculation formulas and useful tips for students grades 7 through 12.
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