CalcPro: Simple Calculator

CalcPro — Release Notes Core Calculator - Full arithmetic: addition, subtraction, multiplication, division - Percentage and modulo operator - Smart parentheses — auto-balances open/close brackets - Live result preview updates as you type - Radians / Degrees toggle - AC (clear all) and DEL (backspace) Scientific Calculator - Trigonometry: sin, cos, tan - Inverse trig: asin, acos, atan (via INV toggle) - Natural log (ln) and Common log base 10 (log) - Square root √, power xʸ, x², 10ˣ, eˣ - Factorial x! and Absolute value |x| - Constants: π and Euler's e - Variable X for use with the graph Function Grapher - Real-time graph of up to 5 simultaneous functions - Auto-scaling Y axis with smart grid lines - Enable / disable individual functions - Add and remove function slots Memory Buttons (optional, toggle in Settings) - MR — recall, M+ — add, M− — subtract, MC — clear Calculation History - Stores up to 200 past calculations - Tap any entry to reload it into the calculator - Delete individual entries or clear all history Custom Constants & Functions (Fx panel) - Save up to 6 custom constants (c, d, f, g, h, j) - Save up to 4 custom functions of x: a(x), b(x), k(x), l(x) - Edit or delete saved entries at any time Unit Converter - Length — m, km, cm, mm, mi, yd, ft, in - Weight — kg, g, lb, oz, t, st - Temperature — °C, °F, K - Area — m², km², mi², ft², ac, ha - Volume — L, mL, gal, fl oz, cup, m³ - Speed — m/s, km/h, mph, knot - Time — s, min, h, day, week, month, year - Data — B, KB, MB, GB, TB, bit Settings - Theme: System default, Light, Dark - Keep screen on - Restore display content on startup - Memory buttons (show/hide) - Vibration with intensity control (Light / Moderate / Strong) - Angle mode (Radians / Degrees) — persists across sessions All Features Free - Every feature is unlocked for all users at no cost - Optional developer support subscription available in Settings Download CalcPro today and make calculations effortless!