Puzzle Calculator Layout

A highly customizable calculator with a completely free layout. Arrange buttons, choose colors, pick which keys to show, and split the screen to use several calculators side by side. 【Calculation】 • Four arithmetic operations (add, subtract, multiply, divide) • Percentage • Remainder mode (can be toggled on/off) • Trigonometric functions (sin, cos, tan, asin, acos, atan, sinh, cosh, tanh) • Angle mode switching (DEG / RAD) • Logarithmic functions (log, ln, log₁₀) • Exponential functions (exp, 10^x, 2^x) • Square root and powers (√, x², x³, ^) • Math functions (abs, ceil, floor, round, 1/x, x!) • Combinations and permutations (nCr, nPr) • Modulo (mod), random number (Rand), last answer (ANS) • Memory functions (MS / MR / MC / M+ / M−) with a memory status indicator 【Split Screen】 • Split the screen vertically and horizontally to show multiple calculators at once • Increase or decrease the number of splits with the + / − buttons • Each calculator works independently and keeps its own expression, result and memory 【Layout Customization】 • Drag & drop to rearrange buttons freely (can be toggled on/off) • Button visibility by 7 categories: Numbers / Basic operations / Functions / Trigonometric / Extended functions / Memory / Constants & modes Note: number keys (0-9) are required and cannot be hidden • Column count customization (1-10 columns) • Recommended column count suggested for your device (smartphone 3-4, tablet 5-7, small screen 3) • Layout reset 【Layout Snapshots】 • Save the current layout as a snapshot and restore it at any time • See each snapshot's saved date and time, split count (vertical x horizontal), grid count and button count • Delete snapshots individually, or clear them all at once 【Design & Color】 • Automatically follows your device's light / dark setting • 6 preset color themes: Default (follows your device light/dark setting) / Dark (dark grey color scheme) / Colorful (vibrant colors) / Pastel (soft gentle colors) / High Contrast (high visibility color scheme) / Minimal (simple monochrome) Note: only "Default" follows light/dark; the other themes keep fixed colors • Custom colors: for each of the four button kinds (number, operator, function, special), set the button color and the text color individually (RGB sliders plus 21 preset swatches) 【Display & Number Format】 • Decimal precision from 1 to 16 digits • Digit separator (comma) display on/off • Change thousands and decimal separators to match your region • RTL (right-to-left) language support • Number grouping follows regional conventions (5 styles): Standard (1,234.56) / German (1.234,56) / French (1 234,56) / Swiss (1'234.56) / Indian (1,23,45,678.90) • Country/region selection, searchable by category: Asia-Pacific / Europe / Americas / Middle East & Africa / Multilingual • Non-Western digit display supported: Eastern Arabic numerals (٠١٢٣٤٥٦٧٨٩) and Thai numerals (๐๑๒๓๔๕๖๗๘๙) 【Voice & Sound】 • Text-to-speech: read out the button you pressed (on/off) • Text-to-speech: read out the calculation result (on/off) • 20 sound effect options (None, plus Sound 1 through Sound 19) 【Languages】 • 17 languages supported: Japanese, English, Chinese (Simplified), Chinese (Traditional), Korean, Spanish, French, German, Italian, Portuguese, Russian, Arabic, Hindi, Thai, Vietnamese, Indonesian, Urdu 【Other】 • App version information is available in the app • Ad-supported (all features are free to use; an optional one-time purchase removes ads) Make it your own calculator — for study, work and everyday use.