Convert numbers between decimal, binary, hexadecimal,
Convert numbers between decimal, binary, hexadecimal, and octal systems. Input integers from 0 to 2^31-1. Perform conversions in both directions. Display results in selected number formats.
Solve featuring trains and steam locomotives. Choose from 30 handmade images. Adjust puzzle difficulty with 11 size options ranging from 4 to 144 pieces. Designed for children with simple, intuitive controls.
Perform complex calculations with support for hexadecimal, octal, and binary. Use RPN mode and multi-line display. Access unit conversions, constants, and scientific notation. View a paper tape and use multiple undo/redo functions.
Teaches phonics through phonograms, helping users recognize letter combinations and their corresponding sounds. Includes interactive lessons, sound matching exercises, and progress tracking.
Convert , , hex, and octal numbers with one-tap input. Perform bidirectional conversions between all number systems. Save and share conversion results. View detailed conversion steps and history.
Teaches number counting, writing, and identification. Includes matching games and vocabulary practice. Features interactive activities for preschool and kindergarten children. Parents can track progress and engage in sessions.
Solve puzzles by converting zeros to ones on a grid. Match target decimal numbers at the end of rows and columns. Track progress and improve logic and problem-solving skills.
Navigate interactive maps for locations including Customs, Interchange, Woods, Shoreline, Factory, Labs, Streets, Reserve, Lighthouse, and Ground Zero. Locate over 1500 loot items such as caches, weapon boxes, and quest items.
Convert binary numbers to hex, octal, and decimal formats. Input numbers manually or copy-paste. View converted values instantly. No additional features or tools provided.
With symbolic algebra, equation solving, and calculus functions. Supports fractions, repeating decimals, and high-precision numbers. Displays results as simplified expressions or numerical values.